27563920

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^2$

素因数の和:260

約数の個数: 60

約数和(自身を含む): 66909780

約数和(自身を除く): 39345860

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 109, 116, 145, 218, 232, 290, 436, 464, 545, 580, 872, 1090, 1160, 1744, 2180, 2320, 3161, 4360, 6322, 8720, 11881, 12644, 15805, 23762, 25288, 31610, 47524, 50576, 59405, 63220, 95048, 118810, 126440, 190096, 237620, 252880, 344549, 475240, 689098, 950480, 1378196, 1722745, 2756392, 3445490, 5512784, 6890980, 13781960, 27563920]

約数ペア:

[(1, 27563920), (2, 13781960), (4, 6890980), (5, 5512784), (8, 3445490), (10, 2756392), (16, 1722745), (20, 1378196), (29, 950480), (40, 689098), (58, 475240), (80, 344549), (109, 252880), (116, 237620), (145, 190096), (218, 126440), (232, 118810), (290, 95048), (436, 63220), (464, 59405), (545, 50576), (580, 47524), (872, 31610), (1090, 25288), (1160, 23762), (1744, 15805), (2180, 12644), (2320, 11881), (3161, 8720), (4360, 6322)]