12801160

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4051}}^1$

素因数の和:4141

約数の個数: 32

約数和(自身を含む): 29174400

約数和(自身を除く): 16373240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4051, 8102, 16204, 20255, 32408, 40510, 81020, 162040, 320029, 640058, 1280116, 1600145, 2560232, 3200290, 6400580, 12801160]

約数ペア:

[(1, 12801160), (2, 6400580), (4, 3200290), (5, 2560232), (8, 1600145), (10, 1280116), (20, 640058), (40, 320029), (79, 162040), (158, 81020), (316, 40510), (395, 32408), (632, 20255), (790, 16204), (1580, 8102), (3160, 4051)]