100143640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{80761}}^1$

素因数の和:80803

約数の個数: 32

約数和(自身を含む): 232594560

約数和(自身を除く): 132450920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 80761, 161522, 323044, 403805, 646088, 807610, 1615220, 2503591, 3230440, 5007182, 10014364, 12517955, 20028728, 25035910, 50071820, 100143640]

約数ペア:

[(1, 100143640), (2, 50071820), (4, 25035910), (5, 20028728), (8, 12517955), (10, 10014364), (20, 5007182), (31, 3230440), (40, 2503591), (62, 1615220), (124, 807610), (155, 646088), (248, 403805), (310, 323044), (620, 161522), (1240, 80761)]