26370820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{379}}^1$

素因数の和:473

約数の個数: 72

約数和(自身を含む): 65499840

約数和(自身を除く): 39129020

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 49, 70, 71, 98, 140, 142, 196, 245, 284, 355, 379, 490, 497, 710, 758, 980, 994, 1420, 1516, 1895, 1988, 2485, 2653, 3479, 3790, 4970, 5306, 6958, 7580, 9940, 10612, 13265, 13916, 17395, 18571, 26530, 26909, 34790, 37142, 53060, 53818, 69580, 74284, 92855, 107636, 134545, 185710, 188363, 269090, 371420, 376726, 538180, 753452, 941815, 1318541, 1883630, 2637082, 3767260, 5274164, 6592705, 13185410, 26370820]

約数ペア:

[(1, 26370820), (2, 13185410), (4, 6592705), (5, 5274164), (7, 3767260), (10, 2637082), (14, 1883630), (20, 1318541), (28, 941815), (35, 753452), (49, 538180), (70, 376726), (71, 371420), (98, 269090), (140, 188363), (142, 185710), (196, 134545), (245, 107636), (284, 92855), (355, 74284), (379, 69580), (490, 53818), (497, 53060), (710, 37142), (758, 34790), (980, 26909), (994, 26530), (1420, 18571), (1516, 17395), (1895, 13916), (1988, 13265), (2485, 10612), (2653, 9940), (3479, 7580), (3790, 6958), (4970, 5306)]