40043716

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1$

素因数の和:316

約数の個数: 48

約数和(自身を含む): 77051520

約数和(自身を除く): 37007804

約数列:

[1, 2, 4, 19, 38, 41, 71, 76, 82, 142, 164, 181, 284, 362, 724, 779, 1349, 1558, 2698, 2911, 3116, 3439, 5396, 5822, 6878, 7421, 11644, 12851, 13756, 14842, 25702, 29684, 51404, 55309, 110618, 140999, 221236, 244169, 281998, 488338, 526891, 563996, 976676, 1053782, 2107564, 10010929, 20021858, 40043716]

約数ペア:

[(1, 40043716), (2, 20021858), (4, 10010929), (19, 2107564), (38, 1053782), (41, 976676), (71, 563996), (76, 526891), (82, 488338), (142, 281998), (164, 244169), (181, 221236), (284, 140999), (362, 110618), (724, 55309), (779, 51404), (1349, 29684), (1558, 25702), (2698, 14842), (2911, 13756), (3116, 12851), (3439, 11644), (5396, 7421), (5822, 6878)]