16274840

素因数分解:

$2^3\times 5^1\times {\mathrm{251}}^1\times {\mathrm{1621}}^1$

素因数の和:1883

約数の個数: 32

約数和(自身を含む): 36786960

約数和(自身を除く): 20512120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 251, 502, 1004, 1255, 1621, 2008, 2510, 3242, 5020, 6484, 8105, 10040, 12968, 16210, 32420, 64840, 406871, 813742, 1627484, 2034355, 3254968, 4068710, 8137420, 16274840]

約数ペア:

[(1, 16274840), (2, 8137420), (4, 4068710), (5, 3254968), (8, 2034355), (10, 1627484), (20, 813742), (40, 406871), (251, 64840), (502, 32420), (1004, 16210), (1255, 12968), (1621, 10040), (2008, 8105), (2510, 6484), (3242, 5020)]