28124090

素因数分解:

$2^1\times 5^1\times {\mathrm{1321}}^1\times {\mathrm{2129}}^1$

素因数の和:3457

約数の個数: 16

約数和(自身を含む): 50685480

約数和(自身を除く): 22561390

約数列:

[1, 2, 5, 10, 1321, 2129, 2642, 4258, 6605, 10645, 13210, 21290, 2812409, 5624818, 14062045, 28124090]

約数ペア:

[(1, 28124090), (2, 14062045), (5, 5624818), (10, 2812409), (1321, 21290), (2129, 13210), (2642, 10645), (4258, 6605)]