39561980

素因数分解:

$2^2\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4721}}^1$

素因数の和:5149

約数の個数: 24

約数和(自身を含む): 83296080

約数和(自身を除く): 43734100

約数列:

[1, 2, 4, 5, 10, 20, 419, 838, 1676, 2095, 4190, 4721, 8380, 9442, 18884, 23605, 47210, 94420, 1978099, 3956198, 7912396, 9890495, 19780990, 39561980]

約数ペア:

[(1, 39561980), (2, 19780990), (4, 9890495), (5, 7912396), (10, 3956198), (20, 1978099), (419, 94420), (838, 47210), (1676, 23605), (2095, 18884), (4190, 9442), (4721, 8380)]