154422040

素因数分解:

$2^3\times 5^1\times {\mathrm{409}}^1\times {\mathrm{9439}}^1$

素因数の和:9859

約数の個数: 32

約数和(自身を含む): 348336000

約数和(自身を除く): 193913960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 409, 818, 1636, 2045, 3272, 4090, 8180, 9439, 16360, 18878, 37756, 47195, 75512, 94390, 188780, 377560, 3860551, 7721102, 15442204, 19302755, 30884408, 38605510, 77211020, 154422040]

約数ペア:

[(1, 154422040), (2, 77211020), (4, 38605510), (5, 30884408), (8, 19302755), (10, 15442204), (20, 7721102), (40, 3860551), (409, 377560), (818, 188780), (1636, 94390), (2045, 75512), (3272, 47195), (4090, 37756), (8180, 18878), (9439, 16360)]