63946780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{168281}}^1$

素因数の和:168309

約数の個数: 24

約数和(自身を含む): 141356880

約数和(自身を除く): 77410100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 168281, 336562, 673124, 841405, 1682810, 3197339, 3365620, 6394678, 12789356, 15986695, 31973390, 63946780]

約数ペア:

[(1, 63946780), (2, 31973390), (4, 15986695), (5, 12789356), (10, 6394678), (19, 3365620), (20, 3197339), (38, 1682810), (76, 841405), (95, 673124), (190, 336562), (380, 168281)]