104809640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{201557}}^1$

素因数の和:201581

約数の個数: 32

約数和(自身を含む): 253963080

約数和(自身を除く): 149153440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 201557, 403114, 806228, 1007785, 1612456, 2015570, 2620241, 4031140, 5240482, 8062280, 10480964, 13101205, 20961928, 26202410, 52404820, 104809640]

約数ペア:

[(1, 104809640), (2, 52404820), (4, 26202410), (5, 20961928), (8, 13101205), (10, 10480964), (13, 8062280), (20, 5240482), (26, 4031140), (40, 2620241), (52, 2015570), (65, 1612456), (104, 1007785), (130, 806228), (260, 403114), (520, 201557)]