4321040

素因数分解:

$2^4\times 5^1\times {\mathrm{54013}}^1$

素因数の和:54026

約数の個数: 20

約数和(自身を含む): 10046604

約数和(自身を除く): 5725564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 54013, 108026, 216052, 270065, 432104, 540130, 864208, 1080260, 2160520, 4321040]

約数ペア:

[(1, 4321040), (2, 2160520), (4, 1080260), (5, 864208), (8, 540130), (10, 432104), (16, 270065), (20, 216052), (40, 108026), (80, 54013)]