39102920

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{9491}}^1$

素因数の和:9605

約数の個数: 32

約数和(自身を含む): 88845120

約数和(自身を除く): 49742200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 9491, 18982, 37964, 47455, 75928, 94910, 189820, 379640, 977573, 1955146, 3910292, 4887865, 7820584, 9775730, 19551460, 39102920]

約数ペア:

[(1, 39102920), (2, 19551460), (4, 9775730), (5, 7820584), (8, 4887865), (10, 3910292), (20, 1955146), (40, 977573), (103, 379640), (206, 189820), (412, 94910), (515, 75928), (824, 47455), (1030, 37964), (2060, 18982), (4120, 9491)]