20240740

素因数分解:

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

素因数の和:77871

約数の個数: 24

約数和(自身を含む): 45775800

約数和(自身を除く): 25535060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 77849, 155698, 311396, 389245, 778490, 1012037, 1556980, 2024074, 4048148, 5060185, 10120370, 20240740]

約数ペア:

[(1, 20240740), (2, 10120370), (4, 5060185), (5, 4048148), (10, 2024074), (13, 1556980), (20, 1012037), (26, 778490), (52, 389245), (65, 311396), (130, 155698), (260, 77849)]