80219824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{263881}}^1$

素因数の和:263908

約数の個数: 20

約数和(自身を含む): 163606840

約数和(自身を除く): 83387016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 263881, 527762, 1055524, 2111048, 4222096, 5013739, 10027478, 20054956, 40109912, 80219824]

約数ペア:

[(1, 80219824), (2, 40109912), (4, 20054956), (8, 10027478), (16, 5013739), (19, 4222096), (38, 2111048), (76, 1055524), (152, 527762), (304, 263881)]