1993600520

素因数分解:

$2^3\times 5^1\times {\mathrm{49840013}}^1$

素因数の和:49840024

約数の個数: 16

約数和(自身を含む): 4485601260

約数和(自身を除く): 2492000740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 49840013, 99680026, 199360052, 249200065, 398720104, 498400130, 996800260, 1993600520]

約数ペア:

[(1, 1993600520), (2, 996800260), (4, 498400130), (5, 398720104), (8, 249200065), (10, 199360052), (20, 99680026), (40, 49840013)]