77247620

素因数分解:

$2^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{9929}}^1$

素因数の和:10327

約数の個数: 24

約数和(自身を含む): 162653400

約数和(自身を除く): 85405780

約数列:

[1, 2, 4, 5, 10, 20, 389, 778, 1556, 1945, 3890, 7780, 9929, 19858, 39716, 49645, 99290, 198580, 3862381, 7724762, 15449524, 19311905, 38623810, 77247620]

約数ペア:

[(1, 77247620), (2, 38623810), (4, 19311905), (5, 15449524), (10, 7724762), (20, 3862381), (389, 198580), (778, 99290), (1556, 49645), (1945, 39716), (3890, 19858), (7780, 9929)]