31082620

素因数分解:

$2^2\times 5^1\times {\mathrm{643}}^1\times {\mathrm{2417}}^1$

素因数の和:3069

約数の個数: 24

約数和(自身を含む): 65402064

約数和(自身を除く): 34319444

約数列:

[1, 2, 4, 5, 10, 20, 643, 1286, 2417, 2572, 3215, 4834, 6430, 9668, 12085, 12860, 24170, 48340, 1554131, 3108262, 6216524, 7770655, 15541310, 31082620]

約数ペア:

[(1, 31082620), (2, 15541310), (4, 7770655), (5, 6216524), (10, 3108262), (20, 1554131), (643, 48340), (1286, 24170), (2417, 12860), (2572, 12085), (3215, 9668), (4834, 6430)]