20163268880

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{251287}}^1$

素因数の和:251376

約数の個数: 80

約数和(自身を含む): 50478733440

約数和(自身を除く): 30315464560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 59, 68, 80, 85, 118, 136, 170, 236, 272, 295, 340, 472, 590, 680, 944, 1003, 1180, 1360, 2006, 2360, 4012, 4720, 5015, 8024, 10030, 16048, 20060, 40120, 80240, 251287, 502574, 1005148, 1256435, 2010296, 2512870, 4020592, 4271879, 5025740, 8543758, 10051480, 14825933, 17087516, 20102960, 21359395, 29651866, 34175032, 42718790, 59303732, 68350064, 74129665, 85437580, 118607464, 148259330, 170875160, 237214928, 252040861, 296518660, 341750320, 504081722, 593037320, 1008163444, 1186074640, 1260204305, 2016326888, 2520408610, 4032653776, 5040817220, 10081634440, 20163268880]

約数ペア:

[(1, 20163268880), (2, 10081634440), (4, 5040817220), (5, 4032653776), (8, 2520408610), (10, 2016326888), (16, 1260204305), (17, 1186074640), (20, 1008163444), (34, 593037320), (40, 504081722), (59, 341750320), (68, 296518660), (80, 252040861), (85, 237214928), (118, 170875160), (136, 148259330), (170, 118607464), (236, 85437580), (272, 74129665), (295, 68350064), (340, 59303732), (472, 42718790), (590, 34175032), (680, 29651866), (944, 21359395), (1003, 20102960), (1180, 17087516), (1360, 14825933), (2006, 10051480), (2360, 8543758), (4012, 5025740), (4720, 4271879), (5015, 4020592), (8024, 2512870), (10030, 2010296), (16048, 1256435), (20060, 1005148), (40120, 502574), (80240, 251287)]