25279780

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{30829}}^1$

素因数の和:30879

約数の個数: 24

約数和(自身を含む): 54384120

約数和(自身を除く): 29104340

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 30829, 61658, 123316, 154145, 308290, 616580, 1263989, 2527978, 5055956, 6319945, 12639890, 25279780]

約数ペア:

[(1, 25279780), (2, 12639890), (4, 6319945), (5, 5055956), (10, 2527978), (20, 1263989), (41, 616580), (82, 308290), (164, 154145), (205, 123316), (410, 61658), (820, 30829)]