6642280

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{787}}^1$

素因数の和:1009

約数の個数: 32

約数和(自身を含む): 15035040

約数和(自身を除く): 8392760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 787, 844, 1055, 1574, 1688, 2110, 3148, 3935, 4220, 6296, 7870, 8440, 15740, 31480, 166057, 332114, 664228, 830285, 1328456, 1660570, 3321140, 6642280]

約数ペア:

[(1, 6642280), (2, 3321140), (4, 1660570), (5, 1328456), (8, 830285), (10, 664228), (20, 332114), (40, 166057), (211, 31480), (422, 15740), (787, 8440), (844, 7870), (1055, 6296), (1574, 4220), (1688, 3935), (2110, 3148)]