90777880

素因数分解:

$2^3\times 5^1\times {\mathrm{2269447}}^1$

素因数の和:2269458

約数の個数: 16

約数和(自身を含む): 204250320

約数和(自身を除く): 113472440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2269447, 4538894, 9077788, 11347235, 18155576, 22694470, 45388940, 90777880]

約数ペア:

[(1, 90777880), (2, 45388940), (4, 22694470), (5, 18155576), (8, 11347235), (10, 9077788), (20, 4538894), (40, 2269447)]