128178320

素因数分解:

$2^4\times 5^1\times {\mathrm{179}}^1\times {\mathrm{8951}}^1$

素因数の和:9143

約数の個数: 40

約数和(自身を含む): 299712960

約数和(自身を除く): 171534640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 179, 358, 716, 895, 1432, 1790, 2864, 3580, 7160, 8951, 14320, 17902, 35804, 44755, 71608, 89510, 143216, 179020, 358040, 716080, 1602229, 3204458, 6408916, 8011145, 12817832, 16022290, 25635664, 32044580, 64089160, 128178320]

約数ペア:

[(1, 128178320), (2, 64089160), (4, 32044580), (5, 25635664), (8, 16022290), (10, 12817832), (16, 8011145), (20, 6408916), (40, 3204458), (80, 1602229), (179, 716080), (358, 358040), (716, 179020), (895, 143216), (1432, 89510), (1790, 71608), (2864, 44755), (3580, 35804), (7160, 17902), (8951, 14320)]