205331320

素因数分解:

$2^3\times 5^1\times {\mathrm{1283}}^1\times {\mathrm{4001}}^1$

素因数の和:5295

約数の個数: 32

約数和(自身を含む): 462471120

約数和(自身を除く): 257139800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1283, 2566, 4001, 5132, 6415, 8002, 10264, 12830, 16004, 20005, 25660, 32008, 40010, 51320, 80020, 160040, 5133283, 10266566, 20533132, 25666415, 41066264, 51332830, 102665660, 205331320]

約数ペア:

[(1, 205331320), (2, 102665660), (4, 51332830), (5, 41066264), (8, 25666415), (10, 20533132), (20, 10266566), (40, 5133283), (1283, 160040), (2566, 80020), (4001, 51320), (5132, 40010), (6415, 32008), (8002, 25660), (10264, 20005), (12830, 16004)]