56380520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{201359}}^1$

素因数の和:201377

約数の個数: 32

約数和(自身を含む): 144979200

約数和(自身を除く): 88598680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 201359, 402718, 805436, 1006795, 1409513, 1610872, 2013590, 2819026, 4027180, 5638052, 7047565, 8054360, 11276104, 14095130, 28190260, 56380520]

約数ペア:

[(1, 56380520), (2, 28190260), (4, 14095130), (5, 11276104), (7, 8054360), (8, 7047565), (10, 5638052), (14, 4027180), (20, 2819026), (28, 2013590), (35, 1610872), (40, 1409513), (56, 1006795), (70, 805436), (140, 402718), (280, 201359)]