25806665

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{4139}}^1$

素因数の和:4216

約数の個数: 16

約数和(自身を含む): 32788800

約数和(自身を除く): 6982135

約数列:

[1, 5, 29, 43, 145, 215, 1247, 4139, 6235, 20695, 120031, 177977, 600155, 889885, 5161333, 25806665]

約数ペア:

[(1, 25806665), (5, 5161333), (29, 889885), (43, 600155), (145, 177977), (215, 120031), (1247, 20695), (4139, 6235)]