205320100

素因数分解:

$2^2\times 5^2\times {\mathrm{2053201}}^1$

素因数の和:2053215

約数の個数: 18

約数和(自身を含む): 445544834

約数和(自身を除く): 240224734

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 2053201, 4106402, 8212804, 10266005, 20532010, 41064020, 51330025, 102660050, 205320100]

約数ペア:

[(1, 205320100), (2, 102660050), (4, 51330025), (5, 41064020), (10, 20532010), (20, 10266005), (25, 8212804), (50, 4106402), (100, 2053201)]