142877960

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{4027}}^1$

素因数の和:4925

約数の個数: 32

約数和(自身を含む): 321917760

約数和(自身を除く): 179039800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4027, 4435, 7096, 8054, 8870, 16108, 17740, 20135, 32216, 35480, 40270, 80540, 161080, 3571949, 7143898, 14287796, 17859745, 28575592, 35719490, 71438980, 142877960]

約数ペア:

[(1, 142877960), (2, 71438980), (4, 35719490), (5, 28575592), (8, 17859745), (10, 14287796), (20, 7143898), (40, 3571949), (887, 161080), (1774, 80540), (3548, 40270), (4027, 35480), (4435, 32216), (7096, 20135), (8054, 17740), (8870, 16108)]