25920185

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{3889}}^1$

素因数の和:3968

約数の個数: 16

約数和(自身を含む): 32862720

約数和(自身を除く): 6942535

約数列:

[1, 5, 31, 43, 155, 215, 1333, 3889, 6665, 19445, 120559, 167227, 602795, 836135, 5184037, 25920185]

約数ペア:

[(1, 25920185), (5, 5184037), (31, 836135), (43, 602795), (155, 167227), (215, 120559), (1333, 19445), (3889, 6665)]