56581640

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{34501}}^1$

素因数の和:34553

約数の個数: 32

約数和(自身を含む): 130417560

約数和(自身を除く): 73835920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 34501, 69002, 138004, 172505, 276008, 345010, 690020, 1380040, 1414541, 2829082, 5658164, 7072705, 11316328, 14145410, 28290820, 56581640]

約数ペア:

[(1, 56581640), (2, 28290820), (4, 14145410), (5, 11316328), (8, 7072705), (10, 5658164), (20, 2829082), (40, 1414541), (41, 1380040), (82, 690020), (164, 345010), (205, 276008), (328, 172505), (410, 138004), (820, 69002), (1640, 34501)]