26789720

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{9433}}^1$

素因数の和:9515

約数の個数: 32

約数和(自身を含む): 61132320

約数和(自身を除く): 34342600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 9433, 18866, 37732, 47165, 75464, 94330, 188660, 377320, 669743, 1339486, 2678972, 3348715, 5357944, 6697430, 13394860, 26789720]

約数ペア:

[(1, 26789720), (2, 13394860), (4, 6697430), (5, 5357944), (8, 3348715), (10, 2678972), (20, 1339486), (40, 669743), (71, 377320), (142, 188660), (284, 94330), (355, 75464), (568, 47165), (710, 37732), (1420, 18866), (2840, 9433)]