3139460

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1987}}^1$

素因数の和:2075

約数の個数: 24

約数和(自身を含む): 6679680

約数和(自身を除く): 3540220

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 1987, 3974, 7948, 9935, 19870, 39740, 156973, 313946, 627892, 784865, 1569730, 3139460]

約数ペア:

[(1, 3139460), (2, 1569730), (4, 784865), (5, 627892), (10, 313946), (20, 156973), (79, 39740), (158, 19870), (316, 9935), (395, 7948), (790, 3974), (1580, 1987)]