8672920

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{4091}}^1$

素因数の和:4155

約数の個数: 32

約数和(自身を含む): 19887120

約数和(自身を除く): 11214200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 4091, 8182, 16364, 20455, 32728, 40910, 81820, 163640, 216823, 433646, 867292, 1084115, 1734584, 2168230, 4336460, 8672920]

約数ペア:

[(1, 8672920), (2, 4336460), (4, 2168230), (5, 1734584), (8, 1084115), (10, 867292), (20, 433646), (40, 216823), (53, 163640), (106, 81820), (212, 40910), (265, 32728), (424, 20455), (530, 16364), (1060, 8182), (2120, 4091)]