40481480

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77849}}^1$

素因数の和:77873

約数の個数: 32

約数和(自身を含む): 98091000

約数和(自身を除く): 57609520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77849, 155698, 311396, 389245, 622792, 778490, 1012037, 1556980, 2024074, 3113960, 4048148, 5060185, 8096296, 10120370, 20240740, 40481480]

約数ペア:

[(1, 40481480), (2, 20240740), (4, 10120370), (5, 8096296), (8, 5060185), (10, 4048148), (13, 3113960), (20, 2024074), (26, 1556980), (40, 1012037), (52, 778490), (65, 622792), (104, 389245), (130, 311396), (260, 155698), (520, 77849)]