26647720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{853}}^1$

素因数の和:946

約数の個数: 64

約数和(自身を含む): 66407040

約数和(自身を除く): 39759320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 853, 1420, 1562, 1706, 2840, 3124, 3412, 3905, 4265, 6248, 6824, 7810, 8530, 9383, 15620, 17060, 18766, 31240, 34120, 37532, 46915, 60563, 75064, 93830, 121126, 187660, 242252, 302815, 375320, 484504, 605630, 666193, 1211260, 1332386, 2422520, 2664772, 3330965, 5329544, 6661930, 13323860, 26647720]

約数ペア:

[(1, 26647720), (2, 13323860), (4, 6661930), (5, 5329544), (8, 3330965), (10, 2664772), (11, 2422520), (20, 1332386), (22, 1211260), (40, 666193), (44, 605630), (55, 484504), (71, 375320), (88, 302815), (110, 242252), (142, 187660), (220, 121126), (284, 93830), (355, 75064), (440, 60563), (568, 46915), (710, 37532), (781, 34120), (853, 31240), (1420, 18766), (1562, 17060), (1706, 15620), (2840, 9383), (3124, 8530), (3412, 7810), (3905, 6824), (4265, 6248)]