42806360

素因数分解:

$2^3\times 5^1\times {\mathrm{661}}^1\times {\mathrm{1619}}^1$

素因数の和:2291

約数の個数: 32

約数和(自身を含む): 96519600

約数和(自身を除く): 53713240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 661, 1322, 1619, 2644, 3238, 3305, 5288, 6476, 6610, 8095, 12952, 13220, 16190, 26440, 32380, 64760, 1070159, 2140318, 4280636, 5350795, 8561272, 10701590, 21403180, 42806360]

約数ペア:

[(1, 42806360), (2, 21403180), (4, 10701590), (5, 8561272), (8, 5350795), (10, 4280636), (20, 2140318), (40, 1070159), (661, 64760), (1322, 32380), (1619, 26440), (2644, 16190), (3238, 13220), (3305, 12952), (5288, 8095), (6476, 6610)]