4011220

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1531}}^1$

素因数の和:1671

約数の個数: 24

約数和(自身を含む): 8493408

約数和(自身を除く): 4482188

約数列:

[1, 2, 4, 5, 10, 20, 131, 262, 524, 655, 1310, 1531, 2620, 3062, 6124, 7655, 15310, 30620, 200561, 401122, 802244, 1002805, 2005610, 4011220]

約数ペア:

[(1, 4011220), (2, 2005610), (4, 1002805), (5, 802244), (10, 401122), (20, 200561), (131, 30620), (262, 15310), (524, 7655), (655, 6124), (1310, 3062), (1531, 2620)]