28200500

素因数分解:

$2^2\times 5^3\times {\mathrm{56401}}^1$

素因数の和:56420

約数の個数: 24

約数和(自身を含む): 61590984

約数和(自身を除く): 33390484

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 500, 56401, 112802, 225604, 282005, 564010, 1128020, 1410025, 2820050, 5640100, 7050125, 14100250, 28200500]

約数ペア:

[(1, 28200500), (2, 14100250), (4, 7050125), (5, 5640100), (10, 2820050), (20, 1410025), (25, 1128020), (50, 564010), (100, 282005), (125, 225604), (250, 112802), (500, 56401)]