13902040

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3583}}^1$

素因数の和:3691

約数の個数: 32

約数和(自身を含む): 31610880

約数和(自身を除く): 17708840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3583, 3880, 7166, 14332, 17915, 28664, 35830, 71660, 143320, 347551, 695102, 1390204, 1737755, 2780408, 3475510, 6951020, 13902040]

約数ペア:

[(1, 13902040), (2, 6951020), (4, 3475510), (5, 2780408), (8, 1737755), (10, 1390204), (20, 695102), (40, 347551), (97, 143320), (194, 71660), (388, 35830), (485, 28664), (776, 17915), (970, 14332), (1940, 7166), (3583, 3880)]