16204120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{9421}}^1$

素因数の和:9475

約数の個数: 32

約数和(自身を含む): 37311120

約数和(自身を除く): 21107000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 9421, 18842, 37684, 47105, 75368, 94210, 188420, 376840, 405103, 810206, 1620412, 2025515, 3240824, 4051030, 8102060, 16204120]

約数ペア:

[(1, 16204120), (2, 8102060), (4, 4051030), (5, 3240824), (8, 2025515), (10, 1620412), (20, 810206), (40, 405103), (43, 376840), (86, 188420), (172, 94210), (215, 75368), (344, 47105), (430, 37684), (860, 18842), (1720, 9421)]