13136800

素因数分解:

$2^5\times 5^2\times {\mathrm{16421}}^1$

素因数の和:16441

約数の個数: 36

約数和(自身を含む): 32072166

約数和(自身を除く): 18935366

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 16421, 32842, 65684, 82105, 131368, 164210, 262736, 328420, 410525, 525472, 656840, 821050, 1313680, 1642100, 2627360, 3284200, 6568400, 13136800]

約数ペア:

[(1, 13136800), (2, 6568400), (4, 3284200), (5, 2627360), (8, 1642100), (10, 1313680), (16, 821050), (20, 656840), (25, 525472), (32, 410525), (40, 328420), (50, 262736), (80, 164210), (100, 131368), (160, 82105), (200, 65684), (400, 32842), (800, 16421)]