30823120

素因数分解:

$2^4\times 5^1\times {\mathrm{385289}}^1$

素因数の和:385302

約数の個数: 20

約数和(自身を含む): 71663940

約数和(自身を除く): 40840820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 385289, 770578, 1541156, 1926445, 3082312, 3852890, 6164624, 7705780, 15411560, 30823120]

約数ペア:

[(1, 30823120), (2, 15411560), (4, 7705780), (5, 6164624), (8, 3852890), (10, 3082312), (16, 1926445), (20, 1541156), (40, 770578), (80, 385289)]