26990920

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61343}}^1$

素因数の和:61365

約数の個数: 32

約数和(自身を含む): 66251520

約数和(自身を除く): 39260600

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 61343, 122686, 245372, 306715, 490744, 613430, 674773, 1226860, 1349546, 2453720, 2699092, 3373865, 5398184, 6747730, 13495460, 26990920]

約数ペア:

[(1, 26990920), (2, 13495460), (4, 6747730), (5, 5398184), (8, 3373865), (10, 2699092), (11, 2453720), (20, 1349546), (22, 1226860), (40, 674773), (44, 613430), (55, 490744), (88, 306715), (110, 245372), (220, 122686), (440, 61343)]