40681316

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{509}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 80967600

約数和(自身を除く): 40286284

約数列:

[1, 2, 4, 13, 26, 29, 52, 53, 58, 106, 116, 212, 377, 509, 689, 754, 1018, 1378, 1508, 1537, 2036, 2756, 3074, 6148, 6617, 13234, 14761, 19981, 26468, 26977, 29522, 39962, 53954, 59044, 79924, 107908, 191893, 350701, 383786, 701402, 767572, 782333, 1402804, 1564666, 3129332, 10170329, 20340658, 40681316]

約数ペア:

[(1, 40681316), (2, 20340658), (4, 10170329), (13, 3129332), (26, 1564666), (29, 1402804), (52, 782333), (53, 767572), (58, 701402), (106, 383786), (116, 350701), (212, 191893), (377, 107908), (509, 79924), (689, 59044), (754, 53954), (1018, 39962), (1378, 29522), (1508, 26977), (1537, 26468), (2036, 19981), (2756, 14761), (3074, 13234), (6148, 6617)]