16505860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{117899}}^1$

素因数の和:117915

約数の個数: 24

約数和(自身を含む): 39614400

約数和(自身を除く): 23108540

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 117899, 235798, 471596, 589495, 825293, 1178990, 1650586, 2357980, 3301172, 4126465, 8252930, 16505860]

約数ペア:

[(1, 16505860), (2, 8252930), (4, 4126465), (5, 3301172), (7, 2357980), (10, 1650586), (14, 1178990), (20, 825293), (28, 589495), (35, 471596), (70, 235798), (140, 117899)]