27681940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{9679}}^1$

素因数の和:9712

約数の個数: 48

約数和(自身を含む): 68302080

約数和(自身を除く): 40620140

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 220, 260, 286, 572, 715, 1430, 2860, 9679, 19358, 38716, 48395, 96790, 106469, 125827, 193580, 212938, 251654, 425876, 503308, 532345, 629135, 1064690, 1258270, 1384097, 2129380, 2516540, 2768194, 5536388, 6920485, 13840970, 27681940]

約数ペア:

[(1, 27681940), (2, 13840970), (4, 6920485), (5, 5536388), (10, 2768194), (11, 2516540), (13, 2129380), (20, 1384097), (22, 1258270), (26, 1064690), (44, 629135), (52, 532345), (55, 503308), (65, 425876), (110, 251654), (130, 212938), (143, 193580), (220, 125827), (260, 106469), (286, 96790), (572, 48395), (715, 38716), (1430, 19358), (2860, 9679)]