30611960

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{3049}}^1$

素因数の和:3311

約数の個数: 32

約数和(自身を含む): 69174000

約数和(自身を除く): 38562040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 2008, 2510, 3049, 5020, 6098, 10040, 12196, 15245, 24392, 30490, 60980, 121960, 765299, 1530598, 3061196, 3826495, 6122392, 7652990, 15305980, 30611960]

約数ペア:

[(1, 30611960), (2, 15305980), (4, 7652990), (5, 6122392), (8, 3826495), (10, 3061196), (20, 1530598), (40, 765299), (251, 121960), (502, 60980), (1004, 30490), (1255, 24392), (2008, 15245), (2510, 12196), (3049, 10040), (5020, 6098)]