909972040

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{5387}}^1$

素因数の和:5542

約数の個数: 64

約数和(自身を含む): 2118130560

約数和(自身を除く): 1208158520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 515, 820, 824, 1030, 1640, 2060, 4120, 4223, 5387, 8446, 10774, 16892, 21115, 21548, 26935, 33784, 42230, 43096, 53870, 84460, 107740, 168920, 215480, 220867, 441734, 554861, 883468, 1104335, 1109722, 1766936, 2208670, 2219444, 2774305, 4417340, 4438888, 5548610, 8834680, 11097220, 22194440, 22749301, 45498602, 90997204, 113746505, 181994408, 227493010, 454986020, 909972040]

約数ペア:

[(1, 909972040), (2, 454986020), (4, 227493010), (5, 181994408), (8, 113746505), (10, 90997204), (20, 45498602), (40, 22749301), (41, 22194440), (82, 11097220), (103, 8834680), (164, 5548610), (205, 4438888), (206, 4417340), (328, 2774305), (410, 2219444), (412, 2208670), (515, 1766936), (820, 1109722), (824, 1104335), (1030, 883468), (1640, 554861), (2060, 441734), (4120, 220867), (4223, 215480), (5387, 168920), (8446, 107740), (10774, 84460), (16892, 53870), (21115, 43096), (21548, 42230), (26935, 33784)]