80847080

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{49297}}^1$

素因数の和:49349

約数の個数: 32

約数和(自身を含む): 186346440

約数和(自身を除く): 105499360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 49297, 98594, 197188, 246485, 394376, 492970, 985940, 1971880, 2021177, 4042354, 8084708, 10105885, 16169416, 20211770, 40423540, 80847080]

約数ペア:

[(1, 80847080), (2, 40423540), (4, 20211770), (5, 16169416), (8, 10105885), (10, 8084708), (20, 4042354), (40, 2021177), (41, 1971880), (82, 985940), (164, 492970), (205, 394376), (328, 246485), (410, 197188), (820, 98594), (1640, 49297)]