84111880

素因数分解:

$2^3\times 5^1\times {\mathrm{2102797}}^1$

素因数の和:2102808

約数の個数: 16

約数和(自身を含む): 189251820

約数和(自身を除く): 105139940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2102797, 4205594, 8411188, 10513985, 16822376, 21027970, 42055940, 84111880]

約数ペア:

[(1, 84111880), (2, 42055940), (4, 21027970), (5, 16822376), (8, 10513985), (10, 8411188), (20, 4205594), (40, 2102797)]