12561040

素因数分解:

$2^4\times 5^1\times {\mathrm{157013}}^1$

素因数の和:157026

約数の個数: 20

約数和(自身を含む): 29204604

約数和(自身を除く): 16643564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 157013, 314026, 628052, 785065, 1256104, 1570130, 2512208, 3140260, 6280520, 12561040]

約数ペア:

[(1, 12561040), (2, 6280520), (4, 3140260), (5, 2512208), (8, 1570130), (10, 1256104), (16, 785065), (20, 628052), (40, 314026), (80, 157013)]