80167664

素因数分解:

$2^4\times {\mathrm{61}}^1\times {\mathrm{82139}}^1$

素因数の和:82208

約数の個数: 20

約数和(自身を含む): 157873080

約数和(自身を除く): 77705416

約数列:

[1, 2, 4, 8, 16, 61, 122, 244, 488, 976, 82139, 164278, 328556, 657112, 1314224, 5010479, 10020958, 20041916, 40083832, 80167664]

約数ペア:

[(1, 80167664), (2, 40083832), (4, 20041916), (8, 10020958), (16, 5010479), (61, 1314224), (122, 657112), (244, 328556), (488, 164278), (976, 82139)]