27204040

素因数分解:

$2^3\times 5^1\times {\mathrm{641}}^1\times {\mathrm{1061}}^1$

素因数の和:1713

約数の個数: 32

約数和(自身を含む): 61362360

約数和(自身を除く): 34158320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 641, 1061, 1282, 2122, 2564, 3205, 4244, 5128, 5305, 6410, 8488, 10610, 12820, 21220, 25640, 42440, 680101, 1360202, 2720404, 3400505, 5440808, 6801010, 13602020, 27204040]

約数ペア:

[(1, 27204040), (2, 13602020), (4, 6801010), (5, 5440808), (8, 3400505), (10, 2720404), (20, 1360202), (40, 680101), (641, 42440), (1061, 25640), (1282, 21220), (2122, 12820), (2564, 10610), (3205, 8488), (4244, 6410), (5128, 5305)]