140847640

素因数分解:

$2^3\times 5^1\times {\mathrm{3521191}}^1$

素因数の和:3521202

約数の個数: 16

約数和(自身を含む): 316907280

約数和(自身を除く): 176059640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3521191, 7042382, 14084764, 17605955, 28169528, 35211910, 70423820, 140847640]

約数ペア:

[(1, 140847640), (2, 70423820), (4, 35211910), (5, 28169528), (8, 17605955), (10, 14084764), (20, 7042382), (40, 3521191)]