12802760

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{3169}}^1$

素因数の和:3281

約数の個数: 32

約数和(自身を含む): 29100600

約数和(自身を除く): 16297840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 3169, 4040, 6338, 12676, 15845, 25352, 31690, 63380, 126760, 320069, 640138, 1280276, 1600345, 2560552, 3200690, 6401380, 12802760]

約数ペア:

[(1, 12802760), (2, 6401380), (4, 3200690), (5, 2560552), (8, 1600345), (10, 1280276), (20, 640138), (40, 320069), (101, 126760), (202, 63380), (404, 31690), (505, 25352), (808, 15845), (1010, 12676), (2020, 6338), (3169, 4040)]