78198740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{126127}}^1$

素因数の和:126167

約数の個数: 24

約数和(自身を含む): 169516032

約数和(自身を除く): 91317292

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 126127, 252254, 504508, 630635, 1261270, 2522540, 3909937, 7819874, 15639748, 19549685, 39099370, 78198740]

約数ペア:

[(1, 78198740), (2, 39099370), (4, 19549685), (5, 15639748), (10, 7819874), (20, 3909937), (31, 2522540), (62, 1261270), (124, 630635), (155, 504508), (310, 252254), (620, 126127)]