71665750

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{22051}}^1$

素因数の和:22081

約数の個数: 32

約数和(自身を含む): 144484704

約数和(自身を除く): 72818954

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 22051, 44102, 110255, 220510, 286663, 551275, 573326, 1102550, 1433315, 2756375, 2866630, 5512750, 7166575, 14333150, 35832875, 71665750]

約数ペア:

[(1, 71665750), (2, 35832875), (5, 14333150), (10, 7166575), (13, 5512750), (25, 2866630), (26, 2756375), (50, 1433315), (65, 1102550), (125, 573326), (130, 551275), (250, 286663), (325, 220510), (650, 110255), (1625, 44102), (3250, 22051)]