8717920

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^2\times {\mathrm{103}}^1$

素因数の和:164

約数の個数: 72

約数和(自身を含む): 21739536

約数和(自身を除く): 13021616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 80, 92, 103, 115, 160, 184, 206, 230, 368, 412, 460, 515, 529, 736, 824, 920, 1030, 1058, 1648, 1840, 2060, 2116, 2369, 2645, 3296, 3680, 4120, 4232, 4738, 5290, 8240, 8464, 9476, 10580, 11845, 16480, 16928, 18952, 21160, 23690, 37904, 42320, 47380, 54487, 75808, 84640, 94760, 108974, 189520, 217948, 272435, 379040, 435896, 544870, 871792, 1089740, 1743584, 2179480, 4358960, 8717920]

約数ペア:

[(1, 8717920), (2, 4358960), (4, 2179480), (5, 1743584), (8, 1089740), (10, 871792), (16, 544870), (20, 435896), (23, 379040), (32, 272435), (40, 217948), (46, 189520), (80, 108974), (92, 94760), (103, 84640), (115, 75808), (160, 54487), (184, 47380), (206, 42320), (230, 37904), (368, 23690), (412, 21160), (460, 18952), (515, 16928), (529, 16480), (736, 11845), (824, 10580), (920, 9476), (1030, 8464), (1058, 8240), (1648, 5290), (1840, 4738), (2060, 4232), (2116, 4120), (2369, 3680), (2645, 3296)]