30827560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17923}}^1$

素因数の和:17977

約数の個数: 32

約数和(自身を含む): 70979040

約数和(自身を除く): 40151480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17923, 35846, 71692, 89615, 143384, 179230, 358460, 716920, 770689, 1541378, 3082756, 3853445, 6165512, 7706890, 15413780, 30827560]

約数ペア:

[(1, 30827560), (2, 15413780), (4, 7706890), (5, 6165512), (8, 3853445), (10, 3082756), (20, 1541378), (40, 770689), (43, 716920), (86, 358460), (172, 179230), (215, 143384), (344, 89615), (430, 71692), (860, 35846), (1720, 17923)]