2109033040

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{409}}^1\times {\mathrm{1499}}^1$

素因数の和:1964

約数の個数: 80

約数和(自身を含む): 5033160000

約数和(自身を除く): 2924126960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 409, 430, 688, 818, 860, 1499, 1636, 1720, 2045, 2998, 3272, 3440, 4090, 5996, 6544, 7495, 8180, 11992, 14990, 16360, 17587, 23984, 29980, 32720, 35174, 59960, 64457, 70348, 87935, 119920, 128914, 140696, 175870, 257828, 281392, 322285, 351740, 515656, 613091, 644570, 703480, 1031312, 1226182, 1289140, 1406960, 2452364, 2578280, 3065455, 4904728, 5156560, 6130910, 9809456, 12261820, 24523640, 26362913, 49047280, 52725826, 105451652, 131814565, 210903304, 263629130, 421806608, 527258260, 1054516520, 2109033040]

約数ペア:

[(1, 2109033040), (2, 1054516520), (4, 527258260), (5, 421806608), (8, 263629130), (10, 210903304), (16, 131814565), (20, 105451652), (40, 52725826), (43, 49047280), (80, 26362913), (86, 24523640), (172, 12261820), (215, 9809456), (344, 6130910), (409, 5156560), (430, 4904728), (688, 3065455), (818, 2578280), (860, 2452364), (1499, 1406960), (1636, 1289140), (1720, 1226182), (2045, 1031312), (2998, 703480), (3272, 644570), (3440, 613091), (4090, 515656), (5996, 351740), (6544, 322285), (7495, 281392), (8180, 257828), (11992, 175870), (14990, 140696), (16360, 128914), (17587, 119920), (23984, 87935), (29980, 70348), (32720, 64457), (35174, 59960)]