20144984080

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{53657}}^1$

素因数の和:53721

約数の個数: 120

約数和(自身を含む): 53235389592

約数和(自身を除く): 33090405512

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 19, 20, 26, 38, 40, 52, 65, 76, 80, 95, 104, 130, 152, 190, 208, 247, 260, 304, 361, 380, 494, 520, 722, 760, 988, 1040, 1235, 1444, 1520, 1805, 1976, 2470, 2888, 3610, 3952, 4693, 4940, 5776, 7220, 9386, 9880, 14440, 18772, 19760, 23465, 28880, 37544, 46930, 53657, 75088, 93860, 107314, 187720, 214628, 268285, 375440, 429256, 536570, 697541, 858512, 1019483, 1073140, 1395082, 2038966, 2146280, 2790164, 3487705, 4077932, 4292560, 5097415, 5580328, 6975410, 8155864, 10194830, 11160656, 13253279, 13950820, 16311728, 19370177, 20389660, 26506558, 27901640, 38740354, 40779320, 53013116, 55803280, 66266395, 77480708, 81558640, 96850885, 106026232, 132532790, 154961416, 193701770, 212052464, 251812301, 265065580, 309922832, 387403540, 503624602, 530131160, 774807080, 1007249204, 1060262320, 1259061505, 1549614160, 2014498408, 2518123010, 4028996816, 5036246020, 10072492040, 20144984080]

約数ペア:

[(1, 20144984080), (2, 10072492040), (4, 5036246020), (5, 4028996816), (8, 2518123010), (10, 2014498408), (13, 1549614160), (16, 1259061505), (19, 1060262320), (20, 1007249204), (26, 774807080), (38, 530131160), (40, 503624602), (52, 387403540), (65, 309922832), (76, 265065580), (80, 251812301), (95, 212052464), (104, 193701770), (130, 154961416), (152, 132532790), (190, 106026232), (208, 96850885), (247, 81558640), (260, 77480708), (304, 66266395), (361, 55803280), (380, 53013116), (494, 40779320), (520, 38740354), (722, 27901640), (760, 26506558), (988, 20389660), (1040, 19370177), (1235, 16311728), (1444, 13950820), (1520, 13253279), (1805, 11160656), (1976, 10194830), (2470, 8155864), (2888, 6975410), (3610, 5580328), (3952, 5097415), (4693, 4292560), (4940, 4077932), (5776, 3487705), (7220, 2790164), (9386, 2146280), (9880, 2038966), (14440, 1395082), (18772, 1073140), (19760, 1019483), (23465, 858512), (28880, 697541), (37544, 536570), (46930, 429256), (53657, 375440), (75088, 268285), (93860, 214628), (107314, 187720)]