16080100

素因数分解:

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

素因数の和:816

約数の個数: 27

約数和(自身を含む): 34981051

約数和(自身を除く): 18900951

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 401, 802, 1604, 2005, 4010, 8020, 10025, 20050, 40100, 160801, 321602, 643204, 804005, 1608010, 3216020, 4020025, 8040050, 16080100]

約数ペア:

[(1, 16080100), (2, 8040050), (4, 4020025), (5, 3216020), (10, 1608010), (20, 804005), (25, 643204), (50, 321602), (100, 160801), (401, 40100), (802, 20050), (1604, 10025), (2005, 8020)]