26820880

素因数分解:

$2^4\times 5^1\times {\mathrm{335261}}^1$

素因数の和:335274

約数の個数: 20

約数和(自身を含む): 62358732

約数和(自身を除く): 35537852

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 335261, 670522, 1341044, 1676305, 2682088, 3352610, 5364176, 6705220, 13410440, 26820880]

約数ペア:

[(1, 26820880), (2, 13410440), (4, 6705220), (5, 5364176), (8, 3352610), (10, 2682088), (16, 1676305), (20, 1341044), (40, 670522), (80, 335261)]