91107980

素因数分解:

$2^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{18149}}^1$

素因数の和:18409

約数の個数: 24

約数和(自身を含む): 192099600

約数和(自身を除く): 100991620

約数列:

[1, 2, 4, 5, 10, 20, 251, 502, 1004, 1255, 2510, 5020, 18149, 36298, 72596, 90745, 181490, 362980, 4555399, 9110798, 18221596, 22776995, 45553990, 91107980]

約数ペア:

[(1, 91107980), (2, 45553990), (4, 22776995), (5, 18221596), (10, 9110798), (20, 4555399), (251, 362980), (502, 181490), (1004, 90745), (1255, 72596), (2510, 36298), (5020, 18149)]