25172080

素因数分解:

$2^4\times 5^1\times {\mathrm{314651}}^1$

素因数の和:314664

約数の個数: 20

約数和(自身を含む): 58525272

約数和(自身を除く): 33353192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 314651, 629302, 1258604, 1573255, 2517208, 3146510, 5034416, 6293020, 12586040, 25172080]

約数ペア:

[(1, 25172080), (2, 12586040), (4, 6293020), (5, 5034416), (8, 3146510), (10, 2517208), (16, 1573255), (20, 1258604), (40, 629302), (80, 314651)]