85201640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{68711}}^1$

素因数の和:68753

約数の個数: 32

約数和(自身を含む): 197890560

約数和(自身を除く): 112688920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 68711, 137422, 274844, 343555, 549688, 687110, 1374220, 2130041, 2748440, 4260082, 8520164, 10650205, 17040328, 21300410, 42600820, 85201640]

約数ペア:

[(1, 85201640), (2, 42600820), (4, 21300410), (5, 17040328), (8, 10650205), (10, 8520164), (20, 4260082), (31, 2748440), (40, 2130041), (62, 1374220), (124, 687110), (155, 549688), (248, 343555), (310, 274844), (620, 137422), (1240, 68711)]