3811960

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{607}}^1$

素因数の和:775

約数の個数: 32

約数和(自身を含む): 8645760

約数和(自身を除く): 4833800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 607, 628, 785, 1214, 1256, 1570, 2428, 3035, 3140, 4856, 6070, 6280, 12140, 24280, 95299, 190598, 381196, 476495, 762392, 952990, 1905980, 3811960]

約数ペア:

[(1, 3811960), (2, 1905980), (4, 952990), (5, 762392), (8, 476495), (10, 381196), (20, 190598), (40, 95299), (157, 24280), (314, 12140), (607, 6280), (628, 6070), (785, 4856), (1214, 3140), (1256, 3035), (1570, 2428)]