210340880

素因数分解:

$2^4\times 5^1\times {\mathrm{2629261}}^1$

素因数の和:2629274

約数の個数: 20

約数和(自身を含む): 489042732

約数和(自身を除く): 278701852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2629261, 5258522, 10517044, 13146305, 21034088, 26292610, 42068176, 52585220, 105170440, 210340880]

約数ペア:

[(1, 210340880), (2, 105170440), (4, 52585220), (5, 42068176), (8, 26292610), (10, 21034088), (16, 13146305), (20, 10517044), (40, 5258522), (80, 2629261)]