9011521040

素因数分解:

$2^4\times 5^1\times {\mathrm{112644013}}^1$

素因数の和:112644026

約数の個数: 20

約数和(自身を含む): 20951786604

約数和(自身を除く): 11940265564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 112644013, 225288026, 450576052, 563220065, 901152104, 1126440130, 1802304208, 2252880260, 4505760520, 9011521040]

約数ペア:

[(1, 9011521040), (2, 4505760520), (4, 2252880260), (5, 1802304208), (8, 1126440130), (10, 901152104), (16, 563220065), (20, 450576052), (40, 225288026), (80, 112644013)]