12849580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9049}}^1$

素因数の和:9129

約数の個数: 24

約数和(自身を含む): 27367200

約数和(自身を除く): 14517620

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9049, 18098, 36196, 45245, 90490, 180980, 642479, 1284958, 2569916, 3212395, 6424790, 12849580]

約数ペア:

[(1, 12849580), (2, 6424790), (4, 3212395), (5, 2569916), (10, 1284958), (20, 642479), (71, 180980), (142, 90490), (284, 45245), (355, 36196), (710, 18098), (1420, 9049)]