140803640

素因数分解:

$2^3\times 5^1\times {\mathrm{3520091}}^1$

素因数の和:3520102

約数の個数: 16

約数和(自身を含む): 316808280

約数和(自身を除く): 176004640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3520091, 7040182, 14080364, 17600455, 28160728, 35200910, 70401820, 140803640]

約数ペア:

[(1, 140803640), (2, 70401820), (4, 35200910), (5, 28160728), (8, 17600455), (10, 14080364), (20, 7040182), (40, 3520091)]