26621780

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{19867}}^1$

素因数の和:19943

約数の個数: 24

約数和(自身を含む): 56743008

約数和(自身を除く): 30121228

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 19867, 39734, 79468, 99335, 198670, 397340, 1331089, 2662178, 5324356, 6655445, 13310890, 26621780]

約数ペア:

[(1, 26621780), (2, 13310890), (4, 6655445), (5, 5324356), (10, 2662178), (20, 1331089), (67, 397340), (134, 198670), (268, 99335), (335, 79468), (670, 39734), (1340, 19867)]