25344560

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{7727}}^1$

素因数の和:7781

約数の個数: 40

約数和(自身を含む): 60371136

約数和(自身を除く): 35026576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 7727, 15454, 30908, 38635, 61816, 77270, 123632, 154540, 309080, 316807, 618160, 633614, 1267228, 1584035, 2534456, 3168070, 5068912, 6336140, 12672280, 25344560]

約数ペア:

[(1, 25344560), (2, 12672280), (4, 6336140), (5, 5068912), (8, 3168070), (10, 2534456), (16, 1584035), (20, 1267228), (40, 633614), (41, 618160), (80, 316807), (82, 309080), (164, 154540), (205, 123632), (328, 77270), (410, 61816), (656, 38635), (820, 30908), (1640, 15454), (3280, 7727)]