78708500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12109}}^1$

素因数の和:12141

約数の個数: 48

約数和(自身を含む): 185137680

約数和(自身を除く): 106429180

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12109, 24218, 48436, 60545, 121090, 157417, 242180, 302725, 314834, 605450, 629668, 787085, 1210900, 1513625, 1574170, 3027250, 3148340, 3935425, 6054500, 7870850, 15741700, 19677125, 39354250, 78708500]

約数ペア:

[(1, 78708500), (2, 39354250), (4, 19677125), (5, 15741700), (10, 7870850), (13, 6054500), (20, 3935425), (25, 3148340), (26, 3027250), (50, 1574170), (52, 1513625), (65, 1210900), (100, 787085), (125, 629668), (130, 605450), (250, 314834), (260, 302725), (325, 242180), (500, 157417), (650, 121090), (1300, 60545), (1625, 48436), (3250, 24218), (6500, 12109)]