28881800

素因数分解:

$2^3\times 5^2\times {\mathrm{144409}}^1$

素因数の和:144425

約数の個数: 24

約数和(自身を含む): 67150650

約数和(自身を除く): 38268850

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 200, 144409, 288818, 577636, 722045, 1155272, 1444090, 2888180, 3610225, 5776360, 7220450, 14440900, 28881800]

約数ペア:

[(1, 28881800), (2, 14440900), (4, 7220450), (5, 5776360), (8, 3610225), (10, 2888180), (20, 1444090), (25, 1155272), (40, 722045), (50, 577636), (100, 288818), (200, 144409)]