40209890

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{617}}^1$

素因数の和:664

約数の個数: 64

約数和(自身を含む): 88992000

約数和(自身を除く): 48782110

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 343, 490, 617, 665, 686, 931, 1234, 1330, 1715, 1862, 3085, 3430, 4319, 4655, 6170, 6517, 8638, 9310, 11723, 13034, 21595, 23446, 30233, 32585, 43190, 58615, 60466, 65170, 82061, 117230, 151165, 164122, 211631, 302330, 410305, 423262, 574427, 820610, 1058155, 1148854, 2116310, 2872135, 4020989, 5744270, 8041978, 20104945, 40209890]

約数ペア:

[(1, 40209890), (2, 20104945), (5, 8041978), (7, 5744270), (10, 4020989), (14, 2872135), (19, 2116310), (35, 1148854), (38, 1058155), (49, 820610), (70, 574427), (95, 423262), (98, 410305), (133, 302330), (190, 211631), (245, 164122), (266, 151165), (343, 117230), (490, 82061), (617, 65170), (665, 60466), (686, 58615), (931, 43190), (1234, 32585), (1330, 30233), (1715, 23446), (1862, 21595), (3085, 13034), (3430, 11723), (4319, 9310), (4655, 8638), (6170, 6517)]