2151640

素因数分解:

$2^3\times 5^1\times {\mathrm{53791}}^1$

素因数の和:53802

約数の個数: 16

約数和(自身を含む): 4841280

約数和(自身を除く): 2689640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53791, 107582, 215164, 268955, 430328, 537910, 1075820, 2151640]

約数ペア:

[(1, 2151640), (2, 1075820), (4, 537910), (5, 430328), (8, 268955), (10, 215164), (20, 107582), (40, 53791)]