8011280

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{419}}^1$

素因数の和:671

約数の個数: 40

約数和(自身を含む): 18748800

約数和(自身を除く): 10737520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 419, 478, 838, 956, 1195, 1676, 1912, 2095, 2390, 3352, 3824, 4190, 4780, 6704, 8380, 9560, 16760, 19120, 33520, 100141, 200282, 400564, 500705, 801128, 1001410, 1602256, 2002820, 4005640, 8011280]

約数ペア:

[(1, 8011280), (2, 4005640), (4, 2002820), (5, 1602256), (8, 1001410), (10, 801128), (16, 500705), (20, 400564), (40, 200282), (80, 100141), (239, 33520), (419, 19120), (478, 16760), (838, 9560), (956, 8380), (1195, 6704), (1676, 4780), (1912, 4190), (2095, 3824), (2390, 3352)]