2128559080

素因数分解:

$2^3\times 5^1\times {\mathrm{53213977}}^1$

素因数の和:53213988

約数の個数: 16

約数和(自身を含む): 4789258020

約数和(自身を除く): 2660698940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53213977, 106427954, 212855908, 266069885, 425711816, 532139770, 1064279540, 2128559080]

約数ペア:

[(1, 2128559080), (2, 1064279540), (4, 532139770), (5, 425711816), (8, 266069885), (10, 212855908), (20, 106427954), (40, 53213977)]