25455380

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{16111}}^1$

素因数の和:16199

約数の個数: 24

約数和(自身を含む): 54136320

約数和(自身を除く): 28680940

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 16111, 32222, 64444, 80555, 161110, 322220, 1272769, 2545538, 5091076, 6363845, 12727690, 25455380]

約数ペア:

[(1, 25455380), (2, 12727690), (4, 6363845), (5, 5091076), (10, 2545538), (20, 1272769), (79, 322220), (158, 161110), (316, 80555), (395, 64444), (790, 32222), (1580, 16111)]