201329780

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{121283}}^1$

素因数の和:121375

約数の個数: 24

約数和(自身を含む): 427889952

約数和(自身を除く): 226560172

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 121283, 242566, 485132, 606415, 1212830, 2425660, 10066489, 20132978, 40265956, 50332445, 100664890, 201329780]

約数ペア:

[(1, 201329780), (2, 100664890), (4, 50332445), (5, 40265956), (10, 20132978), (20, 10066489), (83, 2425660), (166, 1212830), (332, 606415), (415, 485132), (830, 242566), (1660, 121283)]