16806040

素因数分解:

$2^3\times 5^1\times {\mathrm{383}}^1\times {\mathrm{1097}}^1$

素因数の和:1491

約数の個数: 32

約数和(自身を含む): 37946880

約数和(自身を除く): 21140840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 383, 766, 1097, 1532, 1915, 2194, 3064, 3830, 4388, 5485, 7660, 8776, 10970, 15320, 21940, 43880, 420151, 840302, 1680604, 2100755, 3361208, 4201510, 8403020, 16806040]

約数ペア:

[(1, 16806040), (2, 8403020), (4, 4201510), (5, 3361208), (8, 2100755), (10, 1680604), (20, 840302), (40, 420151), (383, 43880), (766, 21940), (1097, 15320), (1532, 10970), (1915, 8776), (2194, 7660), (3064, 5485), (3830, 4388)]