80451460

素因数分解:

$2^2\times 5^1\times {\mathrm{1933}}^1\times {\mathrm{2081}}^1$

素因数の和:4023

約数の個数: 24

約数和(自身を含む): 169116696

約数和(自身を除く): 88665236

約数列:

[1, 2, 4, 5, 10, 20, 1933, 2081, 3866, 4162, 7732, 8324, 9665, 10405, 19330, 20810, 38660, 41620, 4022573, 8045146, 16090292, 20112865, 40225730, 80451460]

約数ペア:

[(1, 80451460), (2, 40225730), (4, 20112865), (5, 16090292), (10, 8045146), (20, 4022573), (1933, 41620), (2081, 38660), (3866, 20810), (4162, 19330), (7732, 10405), (8324, 9665)]