39424120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{22921}}^1$

素因数の和:22975

約数の個数: 32

約数和(自身を含む): 90771120

約数和(自身を除く): 51347000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 22921, 45842, 91684, 114605, 183368, 229210, 458420, 916840, 985603, 1971206, 3942412, 4928015, 7884824, 9856030, 19712060, 39424120]

約数ペア:

[(1, 39424120), (2, 19712060), (4, 9856030), (5, 7884824), (8, 4928015), (10, 3942412), (20, 1971206), (40, 985603), (43, 916840), (86, 458420), (172, 229210), (215, 183368), (344, 114605), (430, 91684), (860, 45842), (1720, 22921)]