27640784

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{4441}}^1$

素因数の和:4838

約数の個数: 20

約数和(自身を含む): 53703780

約数和(自身を除く): 26062996

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 4441, 6224, 8882, 17764, 35528, 71056, 1727549, 3455098, 6910196, 13820392, 27640784]

約数ペア:

[(1, 27640784), (2, 13820392), (4, 6910196), (8, 3455098), (16, 1727549), (389, 71056), (778, 35528), (1556, 17764), (3112, 8882), (4441, 6224)]