7157720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{1409}}^1$

素因数の和:1547

約数の個数: 32

約数和(自身を含む): 16243200

約数和(自身を除く): 9085480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 1409, 2540, 2818, 5080, 5636, 7045, 11272, 14090, 28180, 56360, 178943, 357886, 715772, 894715, 1431544, 1789430, 3578860, 7157720]

約数ペア:

[(1, 7157720), (2, 3578860), (4, 1789430), (5, 1431544), (8, 894715), (10, 715772), (20, 357886), (40, 178943), (127, 56360), (254, 28180), (508, 14090), (635, 11272), (1016, 7045), (1270, 5636), (1409, 5080), (2540, 2818)]