3955660

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2039}}^1$

素因数の和:2145

約数の個数: 24

約数和(自身を含む): 8396640

約数和(自身を除く): 4440980

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 2039, 4078, 8156, 10195, 20390, 40780, 197783, 395566, 791132, 988915, 1977830, 3955660]

約数ペア:

[(1, 3955660), (2, 1977830), (4, 988915), (5, 791132), (10, 395566), (20, 197783), (97, 40780), (194, 20390), (388, 10195), (485, 8156), (970, 4078), (1940, 2039)]