129014780

素因数分解:

$2^2\times 5^1\times {\mathrm{2437}}^1\times {\mathrm{2647}}^1$

素因数の和:5093

約数の個数: 24

約数和(自身を含む): 271144608

約数和(自身を除く): 142129828

約数列:

[1, 2, 4, 5, 10, 20, 2437, 2647, 4874, 5294, 9748, 10588, 12185, 13235, 24370, 26470, 48740, 52940, 6450739, 12901478, 25802956, 32253695, 64507390, 129014780]

約数ペア:

[(1, 129014780), (2, 64507390), (4, 32253695), (5, 25802956), (10, 12901478), (20, 6450739), (2437, 52940), (2647, 48740), (4874, 26470), (5294, 24370), (9748, 13235), (10588, 12185)]