38448880

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{11177}}^1$

素因数の和:11233

約数の個数: 40

約数和(自身を含む): 91480752

約数和(自身を除く): 53031872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 11177, 22354, 44708, 55885, 89416, 111770, 178832, 223540, 447080, 480611, 894160, 961222, 1922444, 2403055, 3844888, 4806110, 7689776, 9612220, 19224440, 38448880]

約数ペア:

[(1, 38448880), (2, 19224440), (4, 9612220), (5, 7689776), (8, 4806110), (10, 3844888), (16, 2403055), (20, 1922444), (40, 961222), (43, 894160), (80, 480611), (86, 447080), (172, 223540), (215, 178832), (344, 111770), (430, 89416), (688, 55885), (860, 44708), (1720, 22354), (3440, 11177)]