9960880

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1399}}^1$

素因数の和:1501

約数の個数: 40

約数和(自身を含む): 23436000

約数和(自身を除く): 13475120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1399, 1424, 1780, 2798, 3560, 5596, 6995, 7120, 11192, 13990, 22384, 27980, 55960, 111920, 124511, 249022, 498044, 622555, 996088, 1245110, 1992176, 2490220, 4980440, 9960880]

約数ペア:

[(1, 9960880), (2, 4980440), (4, 2490220), (5, 1992176), (8, 1245110), (10, 996088), (16, 622555), (20, 498044), (40, 249022), (80, 124511), (89, 111920), (178, 55960), (356, 27980), (445, 22384), (712, 13990), (890, 11192), (1399, 7120), (1424, 6995), (1780, 5596), (2798, 3560)]