2560403998

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{111119}}^1$

素因数の和:111443

約数の個数: 16

約数和(自身を含む): 3948315840

約数和(自身を除く): 1387911842

約数列:

[1, 2, 41, 82, 281, 562, 11521, 23042, 111119, 222238, 4555879, 9111758, 31224439, 62448878, 1280201999, 2560403998]

約数ペア:

[(1, 2560403998), (2, 1280201999), (41, 62448878), (82, 31224439), (281, 9111758), (562, 4555879), (11521, 222238), (23042, 111119)]