3280820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4001}}^1$

素因数の和:4051

約数の個数: 24

約数和(自身を含む): 7059528

約数和(自身を除く): 3778708

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 4001, 8002, 16004, 20005, 40010, 80020, 164041, 328082, 656164, 820205, 1640410, 3280820]

約数ペア:

[(1, 3280820), (2, 1640410), (4, 820205), (5, 656164), (10, 328082), (20, 164041), (41, 80020), (82, 40010), (164, 20005), (205, 16004), (410, 8002), (820, 4001)]