213767240

素因数分解:

$2^3\times 5^1\times {\mathrm{5344181}}^1$

素因数の和:5344192

約数の個数: 16

約数和(自身を含む): 480976380

約数和(自身を除く): 267209140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5344181, 10688362, 21376724, 26720905, 42753448, 53441810, 106883620, 213767240]

約数ペア:

[(1, 213767240), (2, 106883620), (4, 53441810), (5, 42753448), (8, 26720905), (10, 21376724), (20, 10688362), (40, 5344181)]