80872816

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{266029}}^1$

素因数の和:266056

約数の個数: 20

約数和(自身を含む): 164938600

約数和(自身を除く): 84065784

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 266029, 532058, 1064116, 2128232, 4256464, 5054551, 10109102, 20218204, 40436408, 80872816]

約数ペア:

[(1, 80872816), (2, 40436408), (4, 20218204), (8, 10109102), (16, 5054551), (19, 4256464), (38, 2128232), (76, 1064116), (152, 532058), (304, 266029)]