91372880

素因数分解:

$2^4\times 5^1\times {\mathrm{1142161}}^1$

素因数の和:1142174

約数の個数: 20

約数和(自身を含む): 212442132

約数和(自身を除く): 121069252

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1142161, 2284322, 4568644, 5710805, 9137288, 11421610, 18274576, 22843220, 45686440, 91372880]

約数ペア:

[(1, 91372880), (2, 45686440), (4, 22843220), (5, 18274576), (8, 11421610), (10, 9137288), (16, 5710805), (20, 4568644), (40, 2284322), (80, 1142161)]