26654840

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{15497}}^1$

素因数の和:15551

約数の個数: 32

約数和(自身を含む): 61372080

約数和(自身を除く): 34717240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 15497, 30994, 61988, 77485, 123976, 154970, 309940, 619880, 666371, 1332742, 2665484, 3331855, 5330968, 6663710, 13327420, 26654840]

約数ペア:

[(1, 26654840), (2, 13327420), (4, 6663710), (5, 5330968), (8, 3331855), (10, 2665484), (20, 1332742), (40, 666371), (43, 619880), (86, 309940), (172, 154970), (215, 123976), (344, 77485), (430, 61988), (860, 30994), (1720, 15497)]