51782560

素因数分解:

$2^5\times 5^1\times {\mathrm{323641}}^1$

素因数の和:323656

約数の個数: 24

約数和(自身を含む): 122336676

約数和(自身を除く): 70554116

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 323641, 647282, 1294564, 1618205, 2589128, 3236410, 5178256, 6472820, 10356512, 12945640, 25891280, 51782560]

約数ペア:

[(1, 51782560), (2, 25891280), (4, 12945640), (5, 10356512), (8, 6472820), (10, 5178256), (16, 3236410), (20, 2589128), (32, 1618205), (40, 1294564), (80, 647282), (160, 323641)]