25914520

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{6679}}^1$

素因数の和:6787

約数の個数: 32

約数和(自身を含む): 58917600

約数和(自身を除く): 33003080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 6679, 13358, 26716, 33395, 53432, 66790, 133580, 267160, 647863, 1295726, 2591452, 3239315, 5182904, 6478630, 12957260, 25914520]

約数ペア:

[(1, 25914520), (2, 12957260), (4, 6478630), (5, 5182904), (8, 3239315), (10, 2591452), (20, 1295726), (40, 647863), (97, 267160), (194, 133580), (388, 66790), (485, 53432), (776, 33395), (970, 26716), (1940, 13358), (3880, 6679)]