71847580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{12517}}^1$

素因数の和:12574

約数の個数: 48

約数和(自身を含む): 176654016

約数和(自身を除く): 104806436

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 2870, 5740, 12517, 25034, 50068, 62585, 87619, 125170, 175238, 250340, 350476, 438095, 513197, 876190, 1026394, 1752380, 2052788, 2565985, 3592379, 5131970, 7184758, 10263940, 14369516, 17961895, 35923790, 71847580]

約数ペア:

[(1, 71847580), (2, 35923790), (4, 17961895), (5, 14369516), (7, 10263940), (10, 7184758), (14, 5131970), (20, 3592379), (28, 2565985), (35, 2052788), (41, 1752380), (70, 1026394), (82, 876190), (140, 513197), (164, 438095), (205, 350476), (287, 250340), (410, 175238), (574, 125170), (820, 87619), (1148, 62585), (1435, 50068), (2870, 25034), (5740, 12517)]