1247806640

素因数分解:

$2^4\times 5^1\times {\mathrm{311}}^1\times {\mathrm{50153}}^1$

素因数の和:50477

約数の個数: 40

約数和(自身を含む): 2910536928

約数和(自身を除く): 1662730288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 311, 622, 1244, 1555, 2488, 3110, 4976, 6220, 12440, 24880, 50153, 100306, 200612, 250765, 401224, 501530, 802448, 1003060, 2006120, 4012240, 15597583, 31195166, 62390332, 77987915, 124780664, 155975830, 249561328, 311951660, 623903320, 1247806640]

約数ペア:

[(1, 1247806640), (2, 623903320), (4, 311951660), (5, 249561328), (8, 155975830), (10, 124780664), (16, 77987915), (20, 62390332), (40, 31195166), (80, 15597583), (311, 4012240), (622, 2006120), (1244, 1003060), (1555, 802448), (2488, 501530), (3110, 401224), (4976, 250765), (6220, 200612), (12440, 100306), (24880, 50153)]