20172714640

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{379}}^1\times {\mathrm{839}}^1$

素因数の和:1305

約数の個数: 160

約数和(自身を含む): 51534201600

約数和(自身を除く): 31361486960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 61, 65, 80, 104, 122, 130, 208, 244, 260, 305, 379, 488, 520, 610, 758, 793, 839, 976, 1040, 1220, 1516, 1586, 1678, 1895, 2440, 3032, 3172, 3356, 3790, 3965, 4195, 4880, 4927, 6064, 6344, 6712, 7580, 7930, 8390, 9854, 10907, 12688, 13424, 15160, 15860, 16780, 19708, 21814, 23119, 24635, 30320, 31720, 33560, 39416, 43628, 46238, 49270, 51179, 54535, 63440, 67120, 78832, 87256, 92476, 98540, 102358, 109070, 115595, 174512, 184952, 197080, 204716, 218140, 231190, 255895, 300547, 317981, 369904, 394160, 409432, 436280, 462380, 511790, 601094, 635962, 665327, 818864, 872560, 924760, 1023580, 1202188, 1271924, 1330654, 1502735, 1589905, 1849520, 2047160, 2404376, 2543848, 2661308, 3005470, 3179810, 3326635, 4094320, 4133753, 4808752, 5087696, 5322616, 6010940, 6359620, 6653270, 8267506, 10645232, 12021880, 12719240, 13306540, 16535012, 19396841, 20668765, 24043760, 25438480, 26613080, 33070024, 38793682, 41337530, 53226160, 66140048, 77587364, 82675060, 96984205, 155174728, 165350120, 193968410, 252158933, 310349456, 330700240, 387936820, 504317866, 775873640, 1008635732, 1260794665, 1551747280, 2017271464, 2521589330, 4034542928, 5043178660, 10086357320, 20172714640]

約数ペア:

[(1, 20172714640), (2, 10086357320), (4, 5043178660), (5, 4034542928), (8, 2521589330), (10, 2017271464), (13, 1551747280), (16, 1260794665), (20, 1008635732), (26, 775873640), (40, 504317866), (52, 387936820), (61, 330700240), (65, 310349456), (80, 252158933), (104, 193968410), (122, 165350120), (130, 155174728), (208, 96984205), (244, 82675060), (260, 77587364), (305, 66140048), (379, 53226160), (488, 41337530), (520, 38793682), (610, 33070024), (758, 26613080), (793, 25438480), (839, 24043760), (976, 20668765), (1040, 19396841), (1220, 16535012), (1516, 13306540), (1586, 12719240), (1678, 12021880), (1895, 10645232), (2440, 8267506), (3032, 6653270), (3172, 6359620), (3356, 6010940), (3790, 5322616), (3965, 5087696), (4195, 4808752), (4880, 4133753), (4927, 4094320), (6064, 3326635), (6344, 3179810), (6712, 3005470), (7580, 2661308), (7930, 2543848), (8390, 2404376), (9854, 2047160), (10907, 1849520), (12688, 1589905), (13424, 1502735), (15160, 1330654), (15860, 1271924), (16780, 1202188), (19708, 1023580), (21814, 924760), (23119, 872560), (24635, 818864), (30320, 665327), (31720, 635962), (33560, 601094), (39416, 511790), (43628, 462380), (46238, 436280), (49270, 409432), (51179, 394160), (54535, 369904), (63440, 317981), (67120, 300547), (78832, 255895), (87256, 231190), (92476, 218140), (98540, 204716), (102358, 197080), (109070, 184952), (115595, 174512)]