164481880

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{95629}}^1$

素因数の和:95683

約数の個数: 32

約数和(自身を含む): 378694800

約数和(自身を除く): 214212920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 95629, 191258, 382516, 478145, 765032, 956290, 1912580, 3825160, 4112047, 8224094, 16448188, 20560235, 32896376, 41120470, 82240940, 164481880]

約数ペア:

[(1, 164481880), (2, 82240940), (4, 41120470), (5, 32896376), (8, 20560235), (10, 16448188), (20, 8224094), (40, 4112047), (43, 3825160), (86, 1912580), (172, 956290), (215, 765032), (344, 478145), (430, 382516), (860, 191258), (1720, 95629)]