7872398180

素因数分解:

$2^2\times 5^1\times {\mathrm{42157}}^1\times {\mathrm{9337}}^1$

素因数の和:51503

約数の個数: 24

約数和(自身を含む): 16534198968

約数和(自身を除く): 8661800788

約数列:

[1, 2, 4, 5, 10, 20, 9337, 18674, 37348, 42157, 46685, 84314, 93370, 168628, 186740, 210785, 421570, 843140, 393619909, 787239818, 1574479636, 1968099545, 3936199090, 7872398180]

約数ペア:

[(1, 7872398180), (2, 3936199090), (4, 1968099545), (5, 1574479636), (10, 787239818), (20, 393619909), (9337, 843140), (18674, 421570), (37348, 210785), (42157, 186740), (46685, 168628), (84314, 93370)]