80212100

素因数分解:

$2^2\times 5^2\times {\mathrm{802121}}^1$

素因数の和:802135

約数の個数: 18

約数和(自身を含む): 174060474

約数和(自身を除く): 93848374

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 802121, 1604242, 3208484, 4010605, 8021210, 16042420, 20053025, 40106050, 80212100]

約数ペア:

[(1, 80212100), (2, 40106050), (4, 20053025), (5, 16042420), (10, 8021210), (20, 4010605), (25, 3208484), (50, 1604242), (100, 802121)]