40761968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{195971}}^1$

素因数の和:195992

約数の個数: 20

約数和(自身を含む): 85051848

約数和(自身を除く): 44289880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 195971, 391942, 783884, 1567768, 2547623, 3135536, 5095246, 10190492, 20380984, 40761968]

約数ペア:

[(1, 40761968), (2, 20380984), (4, 10190492), (8, 5095246), (13, 3135536), (16, 2547623), (26, 1567768), (52, 783884), (104, 391942), (208, 195971)]