90872420

素因数分解:

$2^2\times 5^1\times {\mathrm{1231}}^1\times {\mathrm{3691}}^1$

素因数の和:4931

約数の個数: 24

約数和(自身を含む): 191038848

約数和(自身を除く): 100166428

約数列:

[1, 2, 4, 5, 10, 20, 1231, 2462, 3691, 4924, 6155, 7382, 12310, 14764, 18455, 24620, 36910, 73820, 4543621, 9087242, 18174484, 22718105, 45436210, 90872420]

約数ペア:

[(1, 90872420), (2, 45436210), (4, 22718105), (5, 18174484), (10, 9087242), (20, 4543621), (1231, 73820), (2462, 36910), (3691, 24620), (4924, 18455), (6155, 14764), (7382, 12310)]