2128580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{1499}}^1$

素因数の和:1579

約数の個数: 24

約数和(自身を含む): 4536000

約数和(自身を除く): 2407420

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 1499, 2998, 5996, 7495, 14990, 29980, 106429, 212858, 425716, 532145, 1064290, 2128580]

約数ペア:

[(1, 2128580), (2, 1064290), (4, 532145), (5, 425716), (10, 212858), (20, 106429), (71, 29980), (142, 14990), (284, 7495), (355, 5996), (710, 2998), (1420, 1499)]