1377778960

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{218003}}^1$

素因数の和:218095

約数の個数: 40

約数和(自身を含む): 3243899520

約数和(自身を除く): 1866120560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 3160, 6320, 218003, 436006, 872012, 1090015, 1744024, 2180030, 3488048, 4360060, 8720120, 17222237, 17440240, 34444474, 68888948, 86111185, 137777896, 172222370, 275555792, 344444740, 688889480, 1377778960]

約数ペア:

[(1, 1377778960), (2, 688889480), (4, 344444740), (5, 275555792), (8, 172222370), (10, 137777896), (16, 86111185), (20, 68888948), (40, 34444474), (79, 17440240), (80, 17222237), (158, 8720120), (316, 4360060), (395, 3488048), (632, 2180030), (790, 1744024), (1264, 1090015), (1580, 872012), (3160, 436006), (6320, 218003)]