15923120

素因数分解:

$2^4\times 5^1\times {\mathrm{199039}}^1$

素因数の和:199052

約数の個数: 20

約数和(自身を含む): 37021440

約数和(自身を除く): 21098320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199039, 398078, 796156, 995195, 1592312, 1990390, 3184624, 3980780, 7961560, 15923120]

約数ペア:

[(1, 15923120), (2, 7961560), (4, 3980780), (5, 3184624), (8, 1990390), (10, 1592312), (16, 995195), (20, 796156), (40, 398078), (80, 199039)]