80480560

素因数分解:

$2^4\times 5^1\times {\mathrm{1006007}}^1$

素因数の和:1006020

約数の個数: 20

約数和(自身を含む): 187117488

約数和(自身を除く): 106636928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1006007, 2012014, 4024028, 5030035, 8048056, 10060070, 16096112, 20120140, 40240280, 80480560]

約数ペア:

[(1, 80480560), (2, 40240280), (4, 20120140), (5, 16096112), (8, 10060070), (10, 8048056), (16, 5030035), (20, 4024028), (40, 2012014), (80, 1006007)]