39889075

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1063}}^1$

素因数の和:1171

約数の個数: 24

約数和(自身を含む): 52774400

約数和(自身を除く): 12885325

約数列:

[1, 5, 19, 25, 79, 95, 395, 475, 1063, 1501, 1975, 5315, 7505, 20197, 26575, 37525, 83977, 100985, 419885, 504925, 1595563, 2099425, 7977815, 39889075]

約数ペア:

[(1, 39889075), (5, 7977815), (19, 2099425), (25, 1595563), (79, 504925), (95, 419885), (395, 100985), (475, 83977), (1063, 37525), (1501, 26575), (1975, 20197), (5315, 7505)]