91020100

素因数分解:

$2^2\times 5^2\times {\mathrm{910201}}^1$

素因数の和:910215

約数の個数: 18

約数和(自身を含む): 197513834

約数和(自身を除く): 106493734

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 910201, 1820402, 3640804, 4551005, 9102010, 18204020, 22755025, 45510050, 91020100]

約数ペア:

[(1, 91020100), (2, 45510050), (4, 22755025), (5, 18204020), (10, 9102010), (20, 4551005), (25, 3640804), (50, 1820402), (100, 910201)]