40509025

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{39521}}^1$

素因数の和:39572

約数の個数: 12

約数和(自身を含む): 51457644

約数和(自身を除く): 10948619

約数列:

[1, 5, 25, 41, 205, 1025, 39521, 197605, 988025, 1620361, 8101805, 40509025]

約数ペア:

[(1, 40509025), (5, 8101805), (25, 1620361), (41, 988025), (205, 197605), (1025, 39521)]