40915576

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{571}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 84787560

約数和(自身を除く): 43871984

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 169, 212, 338, 424, 571, 676, 689, 1142, 1352, 1378, 2284, 2756, 4568, 5512, 7423, 8957, 14846, 17914, 29692, 30263, 35828, 59384, 60526, 71656, 96499, 121052, 192998, 242104, 385996, 393419, 771992, 786838, 1573676, 3147352, 5114447, 10228894, 20457788, 40915576]

約数ペア:

[(1, 40915576), (2, 20457788), (4, 10228894), (8, 5114447), (13, 3147352), (26, 1573676), (52, 786838), (53, 771992), (104, 393419), (106, 385996), (169, 242104), (212, 192998), (338, 121052), (424, 96499), (571, 71656), (676, 60526), (689, 59384), (1142, 35828), (1352, 30263), (1378, 29692), (2284, 17914), (2756, 14846), (4568, 8957), (5512, 7423)]