3995120

素因数分解:

$2^4\times 5^1\times {\mathrm{49939}}^1$

素因数の和:49952

約数の個数: 20

約数和(自身を含む): 9288840

約数和(自身を除く): 5293720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 49939, 99878, 199756, 249695, 399512, 499390, 799024, 998780, 1997560, 3995120]

約数ペア:

[(1, 3995120), (2, 1997560), (4, 998780), (5, 799024), (8, 499390), (10, 399512), (16, 249695), (20, 199756), (40, 99878), (80, 49939)]