8687080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{5297}}^1$

素因数の和:5349

約数の個数: 32

約数和(自身を含む): 20026440

約数和(自身を除く): 11339360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 5297, 10594, 21188, 26485, 42376, 52970, 105940, 211880, 217177, 434354, 868708, 1085885, 1737416, 2171770, 4343540, 8687080]

約数ペア:

[(1, 8687080), (2, 4343540), (4, 2171770), (5, 1737416), (8, 1085885), (10, 868708), (20, 434354), (40, 217177), (41, 211880), (82, 105940), (164, 52970), (205, 42376), (328, 26485), (410, 21188), (820, 10594), (1640, 5297)]