10928020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 23905728

約数和(自身を除く): 12977708

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 97, 131, 172, 194, 215, 262, 388, 430, 485, 524, 655, 860, 970, 1310, 1940, 2620, 4171, 5633, 8342, 11266, 12707, 16684, 20855, 22532, 25414, 28165, 41710, 50828, 56330, 63535, 83420, 112660, 127070, 254140, 546401, 1092802, 2185604, 2732005, 5464010, 10928020]

約数ペア:

[(1, 10928020), (2, 5464010), (4, 2732005), (5, 2185604), (10, 1092802), (20, 546401), (43, 254140), (86, 127070), (97, 112660), (131, 83420), (172, 63535), (194, 56330), (215, 50828), (262, 41710), (388, 28165), (430, 25414), (485, 22532), (524, 20855), (655, 16684), (860, 12707), (970, 11266), (1310, 8342), (1940, 5633), (2620, 4171)]