80485216

素因数分解:

$2^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{18911}}^1$

素因数の和:18947

約数の個数: 48

約数和(自身を含む): 190632960

約数和(自身を除く): 110147744

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 56, 76, 112, 133, 152, 224, 266, 304, 532, 608, 1064, 2128, 4256, 18911, 37822, 75644, 132377, 151288, 264754, 302576, 359309, 529508, 605152, 718618, 1059016, 1437236, 2118032, 2515163, 2874472, 4236064, 5030326, 5748944, 10060652, 11497888, 20121304, 40242608, 80485216]

約数ペア:

[(1, 80485216), (2, 40242608), (4, 20121304), (7, 11497888), (8, 10060652), (14, 5748944), (16, 5030326), (19, 4236064), (28, 2874472), (32, 2515163), (38, 2118032), (56, 1437236), (76, 1059016), (112, 718618), (133, 605152), (152, 529508), (224, 359309), (266, 302576), (304, 264754), (532, 151288), (608, 132377), (1064, 75644), (2128, 37822), (4256, 18911)]