2884040

素因数分解:

$2^3\times 5^1\times {\mathrm{72101}}^1$

素因数の和:72112

約数の個数: 16

約数和(自身を含む): 6489180

約数和(自身を除く): 3605140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 72101, 144202, 288404, 360505, 576808, 721010, 1442020, 2884040]

約数ペア:

[(1, 2884040), (2, 1442020), (4, 721010), (5, 576808), (8, 360505), (10, 288404), (20, 144202), (40, 72101)]