39946180

素因数分解:

$2^2\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1801}}^1$

素因数の和:2919

約数の個数: 24

約数和(自身を含む): 84009240

約数和(自身を除く): 44063060

約数列:

[1, 2, 4, 5, 10, 20, 1109, 1801, 2218, 3602, 4436, 5545, 7204, 9005, 11090, 18010, 22180, 36020, 1997309, 3994618, 7989236, 9986545, 19973090, 39946180]

約数ペア:

[(1, 39946180), (2, 19973090), (4, 9986545), (5, 7989236), (10, 3994618), (20, 1997309), (1109, 36020), (1801, 22180), (2218, 18010), (3602, 11090), (4436, 9005), (5545, 7204)]