40200250

素因数分解:

$2^1\times 5^3\times {\mathrm{401}}^2$

素因数の和:819

約数の個数: 24

約数和(自身を含む): 75443004

約数和(自身を除く): 35242754

約数列:

[1, 2, 5, 10, 25, 50, 125, 250, 401, 802, 2005, 4010, 10025, 20050, 50125, 100250, 160801, 321602, 804005, 1608010, 4020025, 8040050, 20100125, 40200250]

約数ペア:

[(1, 40200250), (2, 20100125), (5, 8040050), (10, 4020025), (25, 1608010), (50, 804005), (125, 321602), (250, 160801), (401, 100250), (802, 50125), (2005, 20050), (4010, 10025)]