85361180

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{2539}}^1$

素因数の和:2630

約数の個数: 36

約数和(自身を含む): 183809640

約数和(自身を除く): 98448460

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1681, 2539, 3362, 5078, 6724, 8405, 10156, 12695, 16810, 25390, 33620, 50780, 104099, 208198, 416396, 520495, 1040990, 2081980, 4268059, 8536118, 17072236, 21340295, 42680590, 85361180]

約数ペア:

[(1, 85361180), (2, 42680590), (4, 21340295), (5, 17072236), (10, 8536118), (20, 4268059), (41, 2081980), (82, 1040990), (164, 520495), (205, 416396), (410, 208198), (820, 104099), (1681, 50780), (2539, 33620), (3362, 25390), (5078, 16810), (6724, 12695), (8405, 10156)]