16804064080

素因数分解:

$2^4\times 5^1\times {\mathrm{1621}}^1\times {\mathrm{129581}}^1$

素因数の和:131215

約数の個数: 40

約数和(自身を含む): 39093852744

約数和(自身を除く): 22289788664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1621, 3242, 6484, 8105, 12968, 16210, 25936, 32420, 64840, 129581, 129680, 259162, 518324, 647905, 1036648, 1295810, 2073296, 2591620, 5183240, 10366480, 210050801, 420101602, 840203204, 1050254005, 1680406408, 2100508010, 3360812816, 4201016020, 8402032040, 16804064080]

約数ペア:

[(1, 16804064080), (2, 8402032040), (4, 4201016020), (5, 3360812816), (8, 2100508010), (10, 1680406408), (16, 1050254005), (20, 840203204), (40, 420101602), (80, 210050801), (1621, 10366480), (3242, 5183240), (6484, 2591620), (8105, 2073296), (12968, 1295810), (16210, 1036648), (25936, 647905), (32420, 518324), (64840, 259162), (129581, 129680)]