6447680

素因数分解:

$2^6\times 5^1\times {\mathrm{20149}}^1$

素因数の和:20166

約数の個数: 28

約数和(自身を含む): 15354300

約数和(自身を除く): 8906620

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 20149, 40298, 80596, 100745, 161192, 201490, 322384, 402980, 644768, 805960, 1289536, 1611920, 3223840, 6447680]

約数ペア:

[(1, 6447680), (2, 3223840), (4, 1611920), (5, 1289536), (8, 805960), (10, 644768), (16, 402980), (20, 322384), (32, 201490), (40, 161192), (64, 100745), (80, 80596), (160, 40298), (320, 20149)]