201121040

素因数分解:

$2^4\times 5^1\times {\mathrm{2514013}}^1$

素因数の和:2514026

約数の個数: 20

約数和(自身を含む): 467606604

約数和(自身を除く): 266485564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2514013, 5028026, 10056052, 12570065, 20112104, 25140130, 40224208, 50280260, 100560520, 201121040]

約数ペア:

[(1, 201121040), (2, 100560520), (4, 50280260), (5, 40224208), (8, 25140130), (10, 20112104), (16, 12570065), (20, 10056052), (40, 5028026), (80, 2514013)]