31466680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{2741}}^1$

素因数の和:2800

約数の個数: 64

約数和(自身を含む): 82918080

約数和(自身を除く): 51451400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 41, 56, 70, 82, 140, 164, 205, 280, 287, 328, 410, 574, 820, 1148, 1435, 1640, 2296, 2741, 2870, 5482, 5740, 10964, 11480, 13705, 19187, 21928, 27410, 38374, 54820, 76748, 95935, 109640, 112381, 153496, 191870, 224762, 383740, 449524, 561905, 767480, 786667, 899048, 1123810, 1573334, 2247620, 3146668, 3933335, 4495240, 6293336, 7866670, 15733340, 31466680]

約数ペア:

[(1, 31466680), (2, 15733340), (4, 7866670), (5, 6293336), (7, 4495240), (8, 3933335), (10, 3146668), (14, 2247620), (20, 1573334), (28, 1123810), (35, 899048), (40, 786667), (41, 767480), (56, 561905), (70, 449524), (82, 383740), (140, 224762), (164, 191870), (205, 153496), (280, 112381), (287, 109640), (328, 95935), (410, 76748), (574, 54820), (820, 38374), (1148, 27410), (1435, 21928), (1640, 19187), (2296, 13705), (2741, 11480), (2870, 10964), (5482, 5740)]