13963520

素因数分解:

$2^8\times 5^1\times {\mathrm{10909}}^1$

素因数の和:10930

約数の個数: 36

約数和(自身を含む): 33450060

約数和(自身を除く): 19486540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 10909, 21818, 43636, 54545, 87272, 109090, 174544, 218180, 349088, 436360, 698176, 872720, 1396352, 1745440, 2792704, 3490880, 6981760, 13963520]

約数ペア:

[(1, 13963520), (2, 6981760), (4, 3490880), (5, 2792704), (8, 1745440), (10, 1396352), (16, 872720), (20, 698176), (32, 436360), (40, 349088), (64, 218180), (80, 174544), (128, 109090), (160, 87272), (256, 54545), (320, 43636), (640, 21818), (1280, 10909)]