130763980

素因数分解:

$2^2\times 5^1\times {\mathrm{1489}}^1\times {\mathrm{4391}}^1$

素因数の和:5889

約数の個数: 24

約数和(自身を含む): 274851360

約数和(自身を除く): 144087380

約数列:

[1, 2, 4, 5, 10, 20, 1489, 2978, 4391, 5956, 7445, 8782, 14890, 17564, 21955, 29780, 43910, 87820, 6538199, 13076398, 26152796, 32690995, 65381990, 130763980]

約数ペア:

[(1, 130763980), (2, 65381990), (4, 32690995), (5, 26152796), (10, 13076398), (20, 6538199), (1489, 87820), (2978, 43910), (4391, 29780), (5956, 21955), (7445, 17564), (8782, 14890)]