7987660

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{5471}}^1$

素因数の和:5553

約数の個数: 24

約数和(自身を含む): 17006976

約数和(自身を除く): 9019316

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 5471, 10942, 21884, 27355, 54710, 109420, 399383, 798766, 1597532, 1996915, 3993830, 7987660]

約数ペア:

[(1, 7987660), (2, 3993830), (4, 1996915), (5, 1597532), (10, 798766), (20, 399383), (73, 109420), (146, 54710), (292, 27355), (365, 21884), (730, 10942), (1460, 5471)]