31355560

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{5261}}^1$

素因数の和:5421

約数の個数: 32

約数和(自身を含む): 71037000

約数和(自身を除く): 39681440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5261, 5960, 10522, 21044, 26305, 42088, 52610, 105220, 210440, 783889, 1567778, 3135556, 3919445, 6271112, 7838890, 15677780, 31355560]

約数ペア:

[(1, 31355560), (2, 15677780), (4, 7838890), (5, 6271112), (8, 3919445), (10, 3135556), (20, 1567778), (40, 783889), (149, 210440), (298, 105220), (596, 52610), (745, 42088), (1192, 26305), (1490, 21044), (2980, 10522), (5261, 5960)]