39547940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{281}}^1$

素因数の和:548

約数の個数: 48

約数和(自身を含む): 86413824

約数和(自身を除く): 46865884

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 227, 281, 310, 454, 562, 620, 908, 1124, 1135, 1405, 2270, 2810, 4540, 5620, 7037, 8711, 14074, 17422, 28148, 34844, 35185, 43555, 63787, 70370, 87110, 127574, 140740, 174220, 255148, 318935, 637870, 1275740, 1977397, 3954794, 7909588, 9886985, 19773970, 39547940]

約数ペア:

[(1, 39547940), (2, 19773970), (4, 9886985), (5, 7909588), (10, 3954794), (20, 1977397), (31, 1275740), (62, 637870), (124, 318935), (155, 255148), (227, 174220), (281, 140740), (310, 127574), (454, 87110), (562, 70370), (620, 63787), (908, 43555), (1124, 35185), (1135, 34844), (1405, 28148), (2270, 17422), (2810, 14074), (4540, 8711), (5620, 7037)]