31145080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{25117}}^1$

素因数の和:25159

約数の個数: 32

約数和(自身を含む): 72339840

約数和(自身を除く): 41194760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 25117, 50234, 100468, 125585, 200936, 251170, 502340, 778627, 1004680, 1557254, 3114508, 3893135, 6229016, 7786270, 15572540, 31145080]

約数ペア:

[(1, 31145080), (2, 15572540), (4, 7786270), (5, 6229016), (8, 3893135), (10, 3114508), (20, 1557254), (31, 1004680), (40, 778627), (62, 502340), (124, 251170), (155, 200936), (248, 125585), (310, 100468), (620, 50234), (1240, 25117)]