28630880

素因数分解:

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

素因数の和:1551

約数の個数: 48

約数和(自身を含む): 68221440

約数和(自身を除く): 39590560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 508, 635, 1016, 1270, 1409, 2032, 2540, 2818, 4064, 5080, 5636, 7045, 10160, 11272, 14090, 20320, 22544, 28180, 45088, 56360, 112720, 178943, 225440, 357886, 715772, 894715, 1431544, 1789430, 2863088, 3578860, 5726176, 7157720, 14315440, 28630880]

約数ペア:

[(1, 28630880), (2, 14315440), (4, 7157720), (5, 5726176), (8, 3578860), (10, 2863088), (16, 1789430), (20, 1431544), (32, 894715), (40, 715772), (80, 357886), (127, 225440), (160, 178943), (254, 112720), (508, 56360), (635, 45088), (1016, 28180), (1270, 22544), (1409, 20320), (2032, 14090), (2540, 11272), (2818, 10160), (4064, 7045), (5080, 5636)]