85685840

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{6571}}^1$

素因数の和:6747

約数の個数: 40

約数和(自身を含む): 200472288

約数和(自身を除く): 114786448

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 6571, 13040, 13142, 26284, 32855, 52568, 65710, 105136, 131420, 262840, 525680, 1071073, 2142146, 4284292, 5355365, 8568584, 10710730, 17137168, 21421460, 42842920, 85685840]

約数ペア:

[(1, 85685840), (2, 42842920), (4, 21421460), (5, 17137168), (8, 10710730), (10, 8568584), (16, 5355365), (20, 4284292), (40, 2142146), (80, 1071073), (163, 525680), (326, 262840), (652, 131420), (815, 105136), (1304, 65710), (1630, 52568), (2608, 32855), (3260, 26284), (6520, 13142), (6571, 13040)]