8401367440

素因数分解:

$2^4\times 5^1\times {\mathrm{105017093}}^1$

素因数の和:105017106

約数の個数: 20

約数和(自身を含む): 19533179484

約数和(自身を除く): 11131812044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105017093, 210034186, 420068372, 525085465, 840136744, 1050170930, 1680273488, 2100341860, 4200683720, 8401367440]

約数ペア:

[(1, 8401367440), (2, 4200683720), (4, 2100341860), (5, 1680273488), (8, 1050170930), (10, 840136744), (16, 525085465), (20, 420068372), (40, 210034186), (80, 105017093)]