28706800

素因数分解:

$2^4\times 5^2\times {\mathrm{43}}^1\times {\mathrm{1669}}^1$

素因数の和:1730

約数の個数: 60

約数和(自身を含む): 70614280

約数和(自身を除く): 41907480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 43, 50, 80, 86, 100, 172, 200, 215, 344, 400, 430, 688, 860, 1075, 1669, 1720, 2150, 3338, 3440, 4300, 6676, 8345, 8600, 13352, 16690, 17200, 26704, 33380, 41725, 66760, 71767, 83450, 133520, 143534, 166900, 287068, 333800, 358835, 574136, 667600, 717670, 1148272, 1435340, 1794175, 2870680, 3588350, 5741360, 7176700, 14353400, 28706800]

約数ペア:

[(1, 28706800), (2, 14353400), (4, 7176700), (5, 5741360), (8, 3588350), (10, 2870680), (16, 1794175), (20, 1435340), (25, 1148272), (40, 717670), (43, 667600), (50, 574136), (80, 358835), (86, 333800), (100, 287068), (172, 166900), (200, 143534), (215, 133520), (344, 83450), (400, 71767), (430, 66760), (688, 41725), (860, 33380), (1075, 26704), (1669, 17200), (1720, 16690), (2150, 13352), (3338, 8600), (3440, 8345), (4300, 6676)]