880002140

素因数分解:

$2^2\times 5^1\times {\mathrm{2689}}^1\times {\mathrm{16363}}^1$

素因数の和:19061

約数の個数: 24

約数和(自身を含む): 1848804720

約数和(自身を除く): 968802580

約数列:

[1, 2, 4, 5, 10, 20, 2689, 5378, 10756, 13445, 16363, 26890, 32726, 53780, 65452, 81815, 163630, 327260, 44000107, 88000214, 176000428, 220000535, 440001070, 880002140]

約数ペア:

[(1, 880002140), (2, 440001070), (4, 220000535), (5, 176000428), (10, 88000214), (20, 44000107), (2689, 327260), (5378, 163630), (10756, 81815), (13445, 65452), (16363, 53780), (26890, 32726)]