21554408080

素因数分解:

$2^4\times 5^1\times {\mathrm{269430101}}^1$

素因数の和:269430114

約数の個数: 20

約数和(自身を含む): 50113998972

約数和(自身を除く): 28559590892

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269430101, 538860202, 1077720404, 1347150505, 2155440808, 2694301010, 4310881616, 5388602020, 10777204040, 21554408080]

約数ペア:

[(1, 21554408080), (2, 10777204040), (4, 5388602020), (5, 4310881616), (8, 2694301010), (10, 2155440808), (16, 1347150505), (20, 1077720404), (40, 538860202), (80, 269430101)]