85247810

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1\times {\mathrm{397}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 156031920

約数和(自身を除く): 70784110

約数列:

[1, 2, 5, 10, 109, 197, 218, 394, 397, 545, 794, 985, 1090, 1970, 1985, 3970, 21473, 42946, 43273, 78209, 86546, 107365, 156418, 214730, 216365, 391045, 432730, 782090, 8524781, 17049562, 42623905, 85247810]

約数ペア:

[(1, 85247810), (2, 42623905), (5, 17049562), (10, 8524781), (109, 782090), (197, 432730), (218, 391045), (394, 216365), (397, 214730), (545, 156418), (794, 107365), (985, 86546), (1090, 78209), (1970, 43273), (1985, 42946), (3970, 21473)]