88221640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{169657}}^1$

素因数の和:169681

約数の個数: 32

約数和(自身を含む): 213769080

約数和(自身を除く): 125547440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 169657, 339314, 678628, 848285, 1357256, 1696570, 2205541, 3393140, 4411082, 6786280, 8822164, 11027705, 17644328, 22055410, 44110820, 88221640]

約数ペア:

[(1, 88221640), (2, 44110820), (4, 22055410), (5, 17644328), (8, 11027705), (10, 8822164), (13, 6786280), (20, 4411082), (26, 3393140), (40, 2205541), (52, 1696570), (65, 1357256), (104, 848285), (130, 678628), (260, 339314), (520, 169657)]