38656840

素因数分解:

$2^3\times 5^1\times {\mathrm{179}}^1\times {\mathrm{5399}}^1$

素因数の和:5589

約数の個数: 32

約数和(自身を含む): 87480000

約数和(自身を除く): 48823160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 179, 358, 716, 895, 1432, 1790, 3580, 5399, 7160, 10798, 21596, 26995, 43192, 53990, 107980, 215960, 966421, 1932842, 3865684, 4832105, 7731368, 9664210, 19328420, 38656840]

約数ペア:

[(1, 38656840), (2, 19328420), (4, 9664210), (5, 7731368), (8, 4832105), (10, 3865684), (20, 1932842), (40, 966421), (179, 215960), (358, 107980), (716, 53990), (895, 43192), (1432, 26995), (1790, 21596), (3580, 10798), (5399, 7160)]