12795620

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9011}}^1$

素因数の和:9091

約数の個数: 24

約数和(自身を含む): 27252288

約数和(自身を除く): 14456668

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 9011, 18022, 36044, 45055, 90110, 180220, 639781, 1279562, 2559124, 3198905, 6397810, 12795620]

約数ペア:

[(1, 12795620), (2, 6397810), (4, 3198905), (5, 2559124), (10, 1279562), (20, 639781), (71, 180220), (142, 90110), (284, 45055), (355, 36044), (710, 18022), (1420, 9011)]