56990480

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16567}}^1$

素因数の和:16623

約数の個数: 40

約数和(自身を含む): 135592512

約数和(自身を除く): 78602032

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 16567, 33134, 66268, 82835, 132536, 165670, 265072, 331340, 662680, 712381, 1325360, 1424762, 2849524, 3561905, 5699048, 7123810, 11398096, 14247620, 28495240, 56990480]

約数ペア:

[(1, 56990480), (2, 28495240), (4, 14247620), (5, 11398096), (8, 7123810), (10, 5699048), (16, 3561905), (20, 2849524), (40, 1424762), (43, 1325360), (80, 712381), (86, 662680), (172, 331340), (215, 265072), (344, 165670), (430, 132536), (688, 82835), (860, 66268), (1720, 33134), (3440, 16567)]