1250783020

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{243343}}^1$

素因数の和:243609

約数の個数: 24

約数和(自身を含む): 2636875584

約数和(自身を除く): 1386092564

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 243343, 486686, 973372, 1216715, 2433430, 4866860, 62539151, 125078302, 250156604, 312695755, 625391510, 1250783020]

約数ペア:

[(1, 1250783020), (2, 625391510), (4, 312695755), (5, 250156604), (10, 125078302), (20, 62539151), (257, 4866860), (514, 2433430), (1028, 1216715), (1285, 973372), (2570, 486686), (5140, 243343)]