98400520

素因数分解:

$2^3\times 5^1\times {\mathrm{2460013}}^1$

素因数の和:2460024

約数の個数: 16

約数和(自身を含む): 221401260

約数和(自身を除く): 123000740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2460013, 4920026, 9840052, 12300065, 19680104, 24600130, 49200260, 98400520]

約数ペア:

[(1, 98400520), (2, 49200260), (4, 24600130), (5, 19680104), (8, 12300065), (10, 9840052), (20, 4920026), (40, 2460013)]