82087780

素因数分解:

$2^2\times 5^1\times {\mathrm{1657}}^1\times {\mathrm{2477}}^1$

素因数の和:4143

約数の個数: 24

約数和(自身を含む): 172558008

約数和(自身を除く): 90470228

約数列:

[1, 2, 4, 5, 10, 20, 1657, 2477, 3314, 4954, 6628, 8285, 9908, 12385, 16570, 24770, 33140, 49540, 4104389, 8208778, 16417556, 20521945, 41043890, 82087780]

約数ペア:

[(1, 82087780), (2, 41043890), (4, 20521945), (5, 16417556), (10, 8208778), (20, 4104389), (1657, 49540), (2477, 33140), (3314, 24770), (4954, 16570), (6628, 12385), (8285, 9908)]