13708840

素因数分解:

$2^3\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3203}}^1$

素因数の和:3321

約数の個数: 32

約数和(自身を含む): 31142880

約数和(自身を除く): 17434040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 107, 214, 428, 535, 856, 1070, 2140, 3203, 4280, 6406, 12812, 16015, 25624, 32030, 64060, 128120, 342721, 685442, 1370884, 1713605, 2741768, 3427210, 6854420, 13708840]

約数ペア:

[(1, 13708840), (2, 6854420), (4, 3427210), (5, 2741768), (8, 1713605), (10, 1370884), (20, 685442), (40, 342721), (107, 128120), (214, 64060), (428, 32030), (535, 25624), (856, 16015), (1070, 12812), (2140, 6406), (3203, 4280)]