51001040

素因数分解:

$2^4\times 5^1\times {\mathrm{637513}}^1$

素因数の和:637526

約数の個数: 20

約数和(自身を含む): 118577604

約数和(自身を除く): 67576564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 637513, 1275026, 2550052, 3187565, 5100104, 6375130, 10200208, 12750260, 25500520, 51001040]

約数ペア:

[(1, 51001040), (2, 25500520), (4, 12750260), (5, 10200208), (8, 6375130), (10, 5100104), (16, 3187565), (20, 2550052), (40, 1275026), (80, 637513)]