28207402480

素因数分解:

$2^4\times 5^1\times {\mathrm{352592531}}^1$

素因数の和:352592544

約数の個数: 20

約数和(自身を含む): 65582210952

約数和(自身を除く): 37374808472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 352592531, 705185062, 1410370124, 1762962655, 2820740248, 3525925310, 5641480496, 7051850620, 14103701240, 28207402480]

約数ペア:

[(1, 28207402480), (2, 14103701240), (4, 7051850620), (5, 5641480496), (8, 3525925310), (10, 2820740248), (16, 1762962655), (20, 1410370124), (40, 705185062), (80, 352592531)]