8401520

素因数分解:

$2^4\times 5^1\times {\mathrm{105019}}^1$

素因数の和:105032

約数の個数: 20

約数和(自身を含む): 19533720

約数和(自身を除く): 11132200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 105019, 210038, 420076, 525095, 840152, 1050190, 1680304, 2100380, 4200760, 8401520]

約数ペア:

[(1, 8401520), (2, 4200760), (4, 2100380), (5, 1680304), (8, 1050190), (10, 840152), (16, 525095), (20, 420076), (40, 210038), (80, 105019)]