26860820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{27409}}^1$

素因数の和:27432

約数の個数: 36

約数和(自身を含む): 65619540

約数和(自身を除く): 38758720

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 98, 140, 196, 245, 490, 980, 27409, 54818, 109636, 137045, 191863, 274090, 383726, 548180, 767452, 959315, 1343041, 1918630, 2686082, 3837260, 5372164, 6715205, 13430410, 26860820]

約数ペア:

[(1, 26860820), (2, 13430410), (4, 6715205), (5, 5372164), (7, 3837260), (10, 2686082), (14, 1918630), (20, 1343041), (28, 959315), (35, 767452), (49, 548180), (70, 383726), (98, 274090), (140, 191863), (196, 137045), (245, 109636), (490, 54818), (980, 27409)]