2080206872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{99133}}^1$

素因数の和:99243

約数の個数: 32

約数和(自身を含む): 4056563280

約数和(自身を除く): 1976356408

約数列:

[1, 2, 4, 8, 43, 61, 86, 122, 172, 244, 344, 488, 2623, 5246, 10492, 20984, 99133, 198266, 396532, 793064, 4262719, 6047113, 8525438, 12094226, 17050876, 24188452, 34101752, 48376904, 260025859, 520051718, 1040103436, 2080206872]

約数ペア:

[(1, 2080206872), (2, 1040103436), (4, 520051718), (8, 260025859), (43, 48376904), (61, 34101752), (86, 24188452), (122, 17050876), (172, 12094226), (244, 8525438), (344, 6047113), (488, 4262719), (2623, 793064), (5246, 396532), (10492, 198266), (20984, 99133)]