28897360

素因数分解:

$2^4\times 5^1\times {\mathrm{361217}}^1$

素因数の和:361230

約数の個数: 20

約数和(自身を含む): 67186548

約数和(自身を除く): 38289188

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 361217, 722434, 1444868, 1806085, 2889736, 3612170, 5779472, 7224340, 14448680, 28897360]

約数ペア:

[(1, 28897360), (2, 14448680), (4, 7224340), (5, 5779472), (8, 3612170), (10, 2889736), (16, 1806085), (20, 1444868), (40, 722434), (80, 361217)]