56456420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{65647}}^1$

素因数の和:65699

約数の個数: 24

約数和(自身を含む): 121317504

約数和(自身を除く): 64861084

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 65647, 131294, 262588, 328235, 656470, 1312940, 2822821, 5645642, 11291284, 14114105, 28228210, 56456420]

約数ペア:

[(1, 56456420), (2, 28228210), (4, 14114105), (5, 11291284), (10, 5645642), (20, 2822821), (43, 1312940), (86, 656470), (172, 328235), (215, 262588), (430, 131294), (860, 65647)]