201405520

素因数分解:

$2^4\times 5^1\times {\mathrm{443}}^1\times {\mathrm{5683}}^1$

素因数の和:6139

約数の個数: 40

約数和(自身を含む): 469407456

約数和(自身を除く): 268001936

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 443, 886, 1772, 2215, 3544, 4430, 5683, 7088, 8860, 11366, 17720, 22732, 28415, 35440, 45464, 56830, 90928, 113660, 227320, 454640, 2517569, 5035138, 10070276, 12587845, 20140552, 25175690, 40281104, 50351380, 100702760, 201405520]

約数ペア:

[(1, 201405520), (2, 100702760), (4, 50351380), (5, 40281104), (8, 25175690), (10, 20140552), (16, 12587845), (20, 10070276), (40, 5035138), (80, 2517569), (443, 454640), (886, 227320), (1772, 113660), (2215, 90928), (3544, 56830), (4430, 45464), (5683, 35440), (7088, 28415), (8860, 22732), (11366, 17720)]