80643344

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{75227}}^1$

素因数の和:75302

約数の個数: 20

約数和(自身を含む): 158580624

約数和(自身を除く): 77937280

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 75227, 150454, 300908, 601816, 1203632, 5040209, 10080418, 20160836, 40321672, 80643344]

約数ペア:

[(1, 80643344), (2, 40321672), (4, 20160836), (8, 10080418), (16, 5040209), (67, 1203632), (134, 601816), (268, 300908), (536, 150454), (1072, 75227)]