20121608450

素因数分解:

$2^1\times 5^2\times {\mathrm{402432169}}^1$

素因数の和:402432181

約数の個数: 12

約数和(自身を含む): 37426191810

約数和(自身を除く): 17304583360

約数列:

[1, 2, 5, 10, 25, 50, 402432169, 804864338, 2012160845, 4024321690, 10060804225, 20121608450]

約数ペア:

[(1, 20121608450), (2, 10060804225), (5, 4024321690), (10, 2012160845), (25, 804864338), (50, 402432169)]