196515280

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{188957}}^1$

素因数の和:188983

約数の個数: 40

約数和(自身を含む): 492046632

約数和(自身を除く): 295531352

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 188957, 377914, 755828, 944785, 1511656, 1889570, 2456441, 3023312, 3779140, 4912882, 7558280, 9825764, 12282205, 15116560, 19651528, 24564410, 39303056, 49128820, 98257640, 196515280]

約数ペア:

[(1, 196515280), (2, 98257640), (4, 49128820), (5, 39303056), (8, 24564410), (10, 19651528), (13, 15116560), (16, 12282205), (20, 9825764), (26, 7558280), (40, 4912882), (52, 3779140), (65, 3023312), (80, 2456441), (104, 1889570), (130, 1511656), (208, 944785), (260, 755828), (520, 377914), (1040, 188957)]