40645904

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{195413}}^1$

素因数の和:195434

約数の個数: 20

約数和(自身を含む): 84809676

約数和(自身を除く): 44163772

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 195413, 390826, 781652, 1563304, 2540369, 3126608, 5080738, 10161476, 20322952, 40645904]

約数ペア:

[(1, 40645904), (2, 20322952), (4, 10161476), (8, 5080738), (13, 3126608), (16, 2540369), (26, 1563304), (52, 781652), (104, 390826), (208, 195413)]