39309980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47939}}^1$

素因数の和:47989

約数の個数: 24

約数和(自身を含む): 84566160

約数和(自身を除く): 45256180

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 47939, 95878, 191756, 239695, 479390, 958780, 1965499, 3930998, 7861996, 9827495, 19654990, 39309980]

約数ペア:

[(1, 39309980), (2, 19654990), (4, 9827495), (5, 7861996), (10, 3930998), (20, 1965499), (41, 958780), (82, 479390), (164, 239695), (205, 191756), (410, 95878), (820, 47939)]