30959540

素因数分解:

$2^2\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17393}}^1$

素因数の和:17491

約数の個数: 24

約数和(自身を含む): 65749320

約数和(自身を除く): 34789780

約数列:

[1, 2, 4, 5, 10, 20, 89, 178, 356, 445, 890, 1780, 17393, 34786, 69572, 86965, 173930, 347860, 1547977, 3095954, 6191908, 7739885, 15479770, 30959540]

約数ペア:

[(1, 30959540), (2, 15479770), (4, 7739885), (5, 6191908), (10, 3095954), (20, 1547977), (89, 347860), (178, 173930), (356, 86965), (445, 69572), (890, 34786), (1780, 17393)]