87961480

素因数分解:

$2^3\times 5^1\times {\mathrm{701}}^1\times {\mathrm{3137}}^1$

素因数の和:3849

約数の個数: 32

約数和(自身を含む): 198258840

約数和(自身を除く): 110297360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 701, 1402, 2804, 3137, 3505, 5608, 6274, 7010, 12548, 14020, 15685, 25096, 28040, 31370, 62740, 125480, 2199037, 4398074, 8796148, 10995185, 17592296, 21990370, 43980740, 87961480]

約数ペア:

[(1, 87961480), (2, 43980740), (4, 21990370), (5, 17592296), (8, 10995185), (10, 8796148), (20, 4398074), (40, 2199037), (701, 125480), (1402, 62740), (2804, 31370), (3137, 28040), (3505, 25096), (5608, 15685), (6274, 14020), (7010, 12548)]