12387280

素因数分解:

$2^4\times 5^1\times {\mathrm{154841}}^1$

素因数の和:154854

約数の個数: 20

約数和(自身を含む): 28800612

約数和(自身を除く): 16413332

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 154841, 309682, 619364, 774205, 1238728, 1548410, 2477456, 3096820, 6193640, 12387280]

約数ペア:

[(1, 12387280), (2, 6193640), (4, 3096820), (5, 2477456), (8, 1548410), (10, 1238728), (16, 774205), (20, 619364), (40, 309682), (80, 154841)]