84320420

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{98047}}^1$

素因数の和:98099

約数の個数: 24

約数和(自身を含む): 181192704

約数和(自身を除く): 96872284

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 98047, 196094, 392188, 490235, 980470, 1960940, 4216021, 8432042, 16864084, 21080105, 42160210, 84320420]

約数ペア:

[(1, 84320420), (2, 42160210), (4, 21080105), (5, 16864084), (10, 8432042), (20, 4216021), (43, 1960940), (86, 980470), (172, 490235), (215, 392188), (430, 196094), (860, 98047)]