84703720

素因数分解:

$2^3\times 5^1\times {\mathrm{2117593}}^1$

素因数の和:2117604

約数の個数: 16

約数和(自身を含む): 190583460

約数和(自身を除く): 105879740

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2117593, 4235186, 8470372, 10587965, 16940744, 21175930, 42351860, 84703720]

約数ペア:

[(1, 84703720), (2, 42351860), (4, 21175930), (5, 16940744), (8, 10587965), (10, 8470372), (20, 4235186), (40, 2117593)]