211330520

素因数分解:

$2^3\times 5^1\times {\mathrm{5283263}}^1$

素因数の和:5283274

約数の個数: 16

約数和(自身を含む): 475493760

約数和(自身を除く): 264163240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 5283263, 10566526, 21133052, 26416315, 42266104, 52832630, 105665260, 211330520]

約数ペア:

[(1, 211330520), (2, 105665260), (4, 52832630), (5, 42266104), (8, 26416315), (10, 21133052), (20, 10566526), (40, 5283263)]