80824796

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1559}}^1$

素因数の和:2573

約数の個数: 24

約数和(自身を含む): 152574240

約数和(自身を除く): 71749444

約数列:

[1, 2, 4, 13, 26, 52, 997, 1559, 1994, 3118, 3988, 6236, 12961, 20267, 25922, 40534, 51844, 81068, 1554323, 3108646, 6217292, 20206199, 40412398, 80824796]

約数ペア:

[(1, 80824796), (2, 40412398), (4, 20206199), (13, 6217292), (26, 3108646), (52, 1554323), (997, 81068), (1559, 51844), (1994, 40534), (3118, 25922), (3988, 20267), (6236, 12961)]