80707750

素因数分解:

$2^1\times 5^3\times {\mathrm{449}}^1\times {\mathrm{719}}^1$

素因数の和:1185

約数の個数: 32

約数和(自身を含む): 151632000

約数和(自身を除く): 70924250

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 449, 719, 898, 1438, 2245, 3595, 4490, 7190, 11225, 17975, 22450, 35950, 56125, 89875, 112250, 179750, 322831, 645662, 1614155, 3228310, 8070775, 16141550, 40353875, 80707750]

約数ペア:

[(1, 80707750), (2, 40353875), (5, 16141550), (10, 8070775), (25, 3228310), (50, 1614155), (125, 645662), (250, 322831), (449, 179750), (719, 112250), (898, 89875), (1438, 56125), (2245, 35950), (3595, 22450), (4490, 17975), (7190, 11225)]