40720100

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{1409}}^1$

素因数の和:1457

約数の個数: 54

約数和(自身を含む): 93932790

約数和(自身を除く): 53212690

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 850, 1156, 1409, 1445, 1700, 2818, 2890, 5636, 5780, 7045, 7225, 14090, 14450, 23953, 28180, 28900, 35225, 47906, 70450, 95812, 119765, 140900, 239530, 407201, 479060, 598825, 814402, 1197650, 1628804, 2036005, 2395300, 4072010, 8144020, 10180025, 20360050, 40720100]

約数ペア:

[(1, 40720100), (2, 20360050), (4, 10180025), (5, 8144020), (10, 4072010), (17, 2395300), (20, 2036005), (25, 1628804), (34, 1197650), (50, 814402), (68, 598825), (85, 479060), (100, 407201), (170, 239530), (289, 140900), (340, 119765), (425, 95812), (578, 70450), (850, 47906), (1156, 35225), (1409, 28900), (1445, 28180), (1700, 23953), (2818, 14450), (2890, 14090), (5636, 7225), (5780, 7045)]