8164120

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{3851}}^1$

素因数の和:3915

約数の個数: 32

約数和(自身を含む): 18720720

約数和(自身を除く): 10556600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 3851, 7702, 15404, 19255, 30808, 38510, 77020, 154040, 204103, 408206, 816412, 1020515, 1632824, 2041030, 4082060, 8164120]

約数ペア:

[(1, 8164120), (2, 4082060), (4, 2041030), (5, 1632824), (8, 1020515), (10, 816412), (20, 408206), (40, 204103), (53, 154040), (106, 77020), (212, 38510), (265, 30808), (424, 19255), (530, 15404), (1060, 7702), (2120, 3851)]