40270916

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1\times {\mathrm{431}}^1$

素因数の和:560

約数の個数: 48

約数和(自身を含む): 83607552

約数和(自身を除く): 43336636

約数列:

[1, 2, 4, 7, 14, 28, 47, 71, 94, 142, 188, 284, 329, 431, 497, 658, 862, 994, 1316, 1724, 1988, 3017, 3337, 6034, 6674, 12068, 13348, 20257, 23359, 30601, 40514, 46718, 61202, 81028, 93436, 122404, 141799, 214207, 283598, 428414, 567196, 856828, 1438247, 2876494, 5752988, 10067729, 20135458, 40270916]

約数ペア:

[(1, 40270916), (2, 20135458), (4, 10067729), (7, 5752988), (14, 2876494), (28, 1438247), (47, 856828), (71, 567196), (94, 428414), (142, 283598), (188, 214207), (284, 141799), (329, 122404), (431, 93436), (497, 81028), (658, 61202), (862, 46718), (994, 40514), (1316, 30601), (1724, 23359), (1988, 20257), (3017, 13348), (3337, 12068), (6034, 6674)]