66725960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{238307}}^1$

素因数の和:238325

約数の個数: 32

約数和(自身を含む): 171581760

約数和(自身を除く): 104855800

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 238307, 476614, 953228, 1191535, 1668149, 1906456, 2383070, 3336298, 4766140, 6672596, 8340745, 9532280, 13345192, 16681490, 33362980, 66725960]

約数ペア:

[(1, 66725960), (2, 33362980), (4, 16681490), (5, 13345192), (7, 9532280), (8, 8340745), (10, 6672596), (14, 4766140), (20, 3336298), (28, 2383070), (35, 1906456), (40, 1668149), (56, 1191535), (70, 953228), (140, 476614), (280, 238307)]