15745040

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{2029}}^1$

素因数の和:2139

約数の個数: 40

約数和(自身を含む): 37002840

約数和(自身を除く): 21257800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 2029, 3880, 4058, 7760, 8116, 10145, 16232, 20290, 32464, 40580, 81160, 162320, 196813, 393626, 787252, 984065, 1574504, 1968130, 3149008, 3936260, 7872520, 15745040]

約数ペア:

[(1, 15745040), (2, 7872520), (4, 3936260), (5, 3149008), (8, 1968130), (10, 1574504), (16, 984065), (20, 787252), (40, 393626), (80, 196813), (97, 162320), (194, 81160), (388, 40580), (485, 32464), (776, 20290), (970, 16232), (1552, 10145), (1940, 8116), (2029, 7760), (3880, 4058)]