40240280

素因数分解:

$2^3\times 5^1\times {\mathrm{1006007}}^1$

素因数の和:1006018

約数の個数: 16

約数和(自身を含む): 90540720

約数和(自身を除く): 50300440

約数列:

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

約数ペア:

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