8554720

素因数分解:

$2^5\times 5^1\times {\mathrm{127}}^1\times {\mathrm{421}}^1$

素因数の和:563

約数の個数: 48

約数和(自身を含む): 20418048

約数和(自身を除く): 11863328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 127, 160, 254, 421, 508, 635, 842, 1016, 1270, 1684, 2032, 2105, 2540, 3368, 4064, 4210, 5080, 6736, 8420, 10160, 13472, 16840, 20320, 33680, 53467, 67360, 106934, 213868, 267335, 427736, 534670, 855472, 1069340, 1710944, 2138680, 4277360, 8554720]

約数ペア:

[(1, 8554720), (2, 4277360), (4, 2138680), (5, 1710944), (8, 1069340), (10, 855472), (16, 534670), (20, 427736), (32, 267335), (40, 213868), (80, 106934), (127, 67360), (160, 53467), (254, 33680), (421, 20320), (508, 16840), (635, 13472), (842, 10160), (1016, 8420), (1270, 6736), (1684, 5080), (2032, 4210), (2105, 4064), (2540, 3368)]