26112920

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{1009}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 58903200

約数和(自身を除く): 32790280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1009, 1294, 2018, 2588, 3235, 4036, 5045, 5176, 6470, 8072, 10090, 12940, 20180, 25880, 40360, 652823, 1305646, 2611292, 3264115, 5222584, 6528230, 13056460, 26112920]

約数ペア:

[(1, 26112920), (2, 13056460), (4, 6528230), (5, 5222584), (8, 3264115), (10, 2611292), (20, 1305646), (40, 652823), (647, 40360), (1009, 25880), (1294, 20180), (2018, 12940), (2588, 10090), (3235, 8072), (4036, 6470), (5045, 5176)]