30824120

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{17921}}^1$

素因数の和:17975

約数の個数: 32

約数和(自身を含む): 70971120

約数和(自身を除く): 40147000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 17921, 35842, 71684, 89605, 143368, 179210, 358420, 716840, 770603, 1541206, 3082412, 3853015, 6164824, 7706030, 15412060, 30824120]

約数ペア:

[(1, 30824120), (2, 15412060), (4, 7706030), (5, 6164824), (8, 3853015), (10, 3082412), (20, 1541206), (40, 770603), (43, 716840), (86, 358420), (172, 179210), (215, 143368), (344, 89605), (430, 71684), (860, 35842), (1720, 17921)]