80675824

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{265381}}^1$

素因数の和:265408

約数の個数: 20

約数和(自身を含む): 164536840

約数和(自身を除く): 83861016

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 265381, 530762, 1061524, 2123048, 4246096, 5042239, 10084478, 20168956, 40337912, 80675824]

約数ペア:

[(1, 80675824), (2, 40337912), (4, 20168956), (8, 10084478), (16, 5042239), (19, 4246096), (38, 2123048), (76, 1061524), (152, 530762), (304, 265381)]