8680820

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1801}}^1$

素因数の和:2051

約数の個数: 24

約数和(自身を含む): 18315528

約数和(自身を除く): 9634708

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 1801, 2410, 3602, 4820, 7204, 9005, 18010, 36020, 434041, 868082, 1736164, 2170205, 4340410, 8680820]

約数ペア:

[(1, 8680820), (2, 4340410), (4, 2170205), (5, 1736164), (10, 868082), (20, 434041), (241, 36020), (482, 18010), (964, 9005), (1205, 7204), (1801, 4820), (2410, 3602)]