40904225

素因数分解:

$5^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:377

約数の個数: 24

約数和(自身を含む): 52080000

約数和(自身を除く): 11175775

約数列:

[1, 5, 25, 79, 139, 149, 395, 695, 745, 1975, 3475, 3725, 10981, 11771, 20711, 54905, 58855, 103555, 274525, 294275, 517775, 1636169, 8180845, 40904225]

約数ペア:

[(1, 40904225), (5, 8180845), (25, 1636169), (79, 517775), (139, 294275), (149, 274525), (395, 103555), (695, 58855), (745, 54905), (1975, 20711), (3475, 11771), (3725, 10981)]