12866800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{1693}}^1$

素因数の和:1730

約数の個数: 60

約数和(自身を含む): 32558680

約数和(自身を除く): 19691880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 50, 76, 80, 95, 100, 152, 190, 200, 304, 380, 400, 475, 760, 950, 1520, 1693, 1900, 3386, 3800, 6772, 7600, 8465, 13544, 16930, 27088, 32167, 33860, 42325, 64334, 67720, 84650, 128668, 135440, 160835, 169300, 257336, 321670, 338600, 514672, 643340, 677200, 804175, 1286680, 1608350, 2573360, 3216700, 6433400, 12866800]

約数ペア:

[(1, 12866800), (2, 6433400), (4, 3216700), (5, 2573360), (8, 1608350), (10, 1286680), (16, 804175), (19, 677200), (20, 643340), (25, 514672), (38, 338600), (40, 321670), (50, 257336), (76, 169300), (80, 160835), (95, 135440), (100, 128668), (152, 84650), (190, 67720), (200, 64334), (304, 42325), (380, 33860), (400, 32167), (475, 27088), (760, 16930), (950, 13544), (1520, 8465), (1693, 7600), (1900, 6772), (3386, 3800)]