16139440

素因数分解:

$2^4\times 5^1\times {\mathrm{201743}}^1$

素因数の和:201756

約数の個数: 20

約数和(自身を含む): 37524384

約数和(自身を除く): 21384944

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 201743, 403486, 806972, 1008715, 1613944, 2017430, 3227888, 4034860, 8069720, 16139440]

約数ペア:

[(1, 16139440), (2, 8069720), (4, 4034860), (5, 3227888), (8, 2017430), (10, 1613944), (16, 1008715), (20, 806972), (40, 403486), (80, 201743)]