1629121040

素因数分解:

$2^4\times 5^1\times {\mathrm{20364013}}^1$

素因数の和:20364026

約数の個数: 20

約数和(自身を含む): 3787706604

約数和(自身を除く): 2158585564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 20364013, 40728026, 81456052, 101820065, 162912104, 203640130, 325824208, 407280260, 814560520, 1629121040]

約数ペア:

[(1, 1629121040), (2, 814560520), (4, 407280260), (5, 325824208), (8, 203640130), (10, 162912104), (16, 101820065), (20, 81456052), (40, 40728026), (80, 20364013)]