39996740

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{40813}}^1$

素因数の和:40836

約数の個数: 36

約数和(自身を含む): 97708716

約数和(自身を除く): 57711976

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 40813, 81626, 163252, 204065, 285691, 408130, 571382, 816260, 1142764, 1428455, 1999837, 2856910, 3999674, 5713820, 7999348, 9999185, 19998370, 39996740]

約数ペア:

[(1, 39996740), (2, 19998370), (4, 9999185), (5, 7999348), (7, 5713820), (10, 3999674), (14, 2856910), (20, 1999837), (28, 1428455), (35, 1142764), (49, 816260), (70, 571382), (98, 408130), (140, 285691), (196, 204065), (245, 163252), (490, 81626), (980, 40813)]