16004440

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{8513}}^1$

素因数の和:8571

約数の個数: 32

約数和(自身を含む): 36780480

約数和(自身を除く): 20776040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 8513, 17026, 34052, 42565, 68104, 85130, 170260, 340520, 400111, 800222, 1600444, 2000555, 3200888, 4001110, 8002220, 16004440]

約数ペア:

[(1, 16004440), (2, 8002220), (4, 4001110), (5, 3200888), (8, 2000555), (10, 1600444), (20, 800222), (40, 400111), (47, 340520), (94, 170260), (188, 85130), (235, 68104), (376, 42565), (470, 34052), (940, 17026), (1880, 8513)]