25997648

素因数分解:

$2^4\times {\mathrm{389}}^1\times {\mathrm{4177}}^1$

素因数の和:4574

約数の個数: 20

約数和(自身を含む): 50512020

約数和(自身を除く): 24514372

約数列:

[1, 2, 4, 8, 16, 389, 778, 1556, 3112, 4177, 6224, 8354, 16708, 33416, 66832, 1624853, 3249706, 6499412, 12998824, 25997648]

約数ペア:

[(1, 25997648), (2, 12998824), (4, 6499412), (8, 3249706), (16, 1624853), (389, 66832), (778, 33416), (1556, 16708), (3112, 8354), (4177, 6224)]