61242920

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{6353}}^1$

素因数の和:6605

約数の個数: 32

約数和(自身を含む): 138390120

約数和(自身を除く): 77147200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 4820, 6353, 9640, 12706, 25412, 31765, 50824, 63530, 127060, 254120, 1531073, 3062146, 6124292, 7655365, 12248584, 15310730, 30621460, 61242920]

約数ペア:

[(1, 61242920), (2, 30621460), (4, 15310730), (5, 12248584), (8, 7655365), (10, 6124292), (20, 3062146), (40, 1531073), (241, 254120), (482, 127060), (964, 63530), (1205, 50824), (1928, 31765), (2410, 25412), (4820, 12706), (6353, 9640)]