85249420

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{43943}}^1$

素因数の和:44049

約数の個数: 24

約数和(自身を含む): 180873504

約数和(自身を除く): 95624084

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 970, 1940, 43943, 87886, 175772, 219715, 439430, 878860, 4262471, 8524942, 17049884, 21312355, 42624710, 85249420]

約数ペア:

[(1, 85249420), (2, 42624710), (4, 21312355), (5, 17049884), (10, 8524942), (20, 4262471), (97, 878860), (194, 439430), (388, 219715), (485, 175772), (970, 87886), (1940, 43943)]