7856680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:574

約数の個数: 64

約数和(自身を含む): 19731600

約数和(自身を除く): 11874920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 521, 580, 754, 1042, 1160, 1508, 1885, 2084, 2605, 3016, 3770, 4168, 5210, 6773, 7540, 10420, 13546, 15080, 15109, 20840, 27092, 30218, 33865, 54184, 60436, 67730, 75545, 120872, 135460, 151090, 196417, 270920, 302180, 392834, 604360, 785668, 982085, 1571336, 1964170, 3928340, 7856680]

約数ペア:

[(1, 7856680), (2, 3928340), (4, 1964170), (5, 1571336), (8, 982085), (10, 785668), (13, 604360), (20, 392834), (26, 302180), (29, 270920), (40, 196417), (52, 151090), (58, 135460), (65, 120872), (104, 75545), (116, 67730), (130, 60436), (145, 54184), (232, 33865), (260, 30218), (290, 27092), (377, 20840), (520, 15109), (521, 15080), (580, 13546), (754, 10420), (1042, 7540), (1160, 6773), (1508, 5210), (1885, 4168), (2084, 3770), (2605, 3016)]