81402640

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{92503}}^1$

素因数の和:92527

約数の個数: 40

約数和(自身を含む): 206468928

約数和(自身を除く): 125066288

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 92503, 185006, 370012, 462515, 740024, 925030, 1017533, 1480048, 1850060, 2035066, 3700120, 4070132, 5087665, 7400240, 8140264, 10175330, 16280528, 20350660, 40701320, 81402640]

約数ペア:

[(1, 81402640), (2, 40701320), (4, 20350660), (5, 16280528), (8, 10175330), (10, 8140264), (11, 7400240), (16, 5087665), (20, 4070132), (22, 3700120), (40, 2035066), (44, 1850060), (55, 1480048), (80, 1017533), (88, 925030), (110, 740024), (176, 462515), (220, 370012), (440, 185006), (880, 92503)]