2021969720

素因数分解:

$2^3\times 5^1\times {\mathrm{887}}^1\times {\mathrm{56989}}^1$

素因数の和:57887

約数の個数: 32

約数和(自身を含む): 4554640800

約数和(自身を除く): 2532671080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 887, 1774, 3548, 4435, 7096, 8870, 17740, 35480, 56989, 113978, 227956, 284945, 455912, 569890, 1139780, 2279560, 50549243, 101098486, 202196972, 252746215, 404393944, 505492430, 1010984860, 2021969720]

約数ペア:

[(1, 2021969720), (2, 1010984860), (4, 505492430), (5, 404393944), (8, 252746215), (10, 202196972), (20, 101098486), (40, 50549243), (887, 2279560), (1774, 1139780), (3548, 569890), (4435, 455912), (7096, 284945), (8870, 227956), (17740, 113978), (35480, 56989)]