4263640

素因数分解:

$2^3\times 5^1\times {\mathrm{106591}}^1$

素因数の和:106602

約数の個数: 16

約数和(自身を含む): 9593280

約数和(自身を除く): 5329640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 106591, 213182, 426364, 532955, 852728, 1065910, 2131820, 4263640]

約数ペア:

[(1, 4263640), (2, 2131820), (4, 1065910), (5, 852728), (8, 532955), (10, 426364), (20, 213182), (40, 106591)]