156924440

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{20327}}^1$

素因数の和:20531

約数の個数: 32

約数和(自身を含む): 354926880

約数和(自身を除く): 198002440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 20327, 40654, 81308, 101635, 162616, 203270, 406540, 813080, 3923111, 7846222, 15692444, 19615555, 31384888, 39231110, 78462220, 156924440]

約数ペア:

[(1, 156924440), (2, 78462220), (4, 39231110), (5, 31384888), (8, 19615555), (10, 15692444), (20, 7846222), (40, 3923111), (193, 813080), (386, 406540), (772, 203270), (965, 162616), (1544, 101635), (1930, 81308), (3860, 40654), (7720, 20327)]