8628520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{12689}}^1$

素因数の和:12717

約数の個数: 32

約数和(自身を含む): 20557800

約数和(自身を除く): 11929280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 12689, 25378, 50756, 63445, 101512, 126890, 215713, 253780, 431426, 507560, 862852, 1078565, 1725704, 2157130, 4314260, 8628520]

約数ペア:

[(1, 8628520), (2, 4314260), (4, 2157130), (5, 1725704), (8, 1078565), (10, 862852), (17, 507560), (20, 431426), (34, 253780), (40, 215713), (68, 126890), (85, 101512), (136, 63445), (170, 50756), (340, 25378), (680, 12689)]