39780784

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{40759}}^1$

素因数の和:40828

約数の個数: 20

約数和(自身を含む): 78340720

約数和(自身を除く): 38559936

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 40759, 81518, 163036, 326072, 652144, 2486299, 4972598, 9945196, 19890392, 39780784]

約数ペア:

[(1, 39780784), (2, 19890392), (4, 9945196), (8, 4972598), (16, 2486299), (61, 652144), (122, 326072), (244, 163036), (488, 81518), (976, 40759)]