27886520

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{2917}}^1$

素因数の和:3167

約数の個数: 32

約数和(自身を含む): 63028800

約数和(自身を除く): 35142280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 2917, 4780, 5834, 9560, 11668, 14585, 23336, 29170, 58340, 116680, 697163, 1394326, 2788652, 3485815, 5577304, 6971630, 13943260, 27886520]

約数ペア:

[(1, 27886520), (2, 13943260), (4, 6971630), (5, 5577304), (8, 3485815), (10, 2788652), (20, 1394326), (40, 697163), (239, 116680), (478, 58340), (956, 29170), (1195, 23336), (1912, 14585), (2390, 11668), (2917, 9560), (4780, 5834)]