8617240

素因数分解:

$2^3\times 5^1\times {\mathrm{211}}^1\times {\mathrm{1021}}^1$

素因数の和:1243

約数の個数: 32

約数和(自身を含む): 19499760

約数和(自身を除く): 10882520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 211, 422, 844, 1021, 1055, 1688, 2042, 2110, 4084, 4220, 5105, 8168, 8440, 10210, 20420, 40840, 215431, 430862, 861724, 1077155, 1723448, 2154310, 4308620, 8617240]

約数ペア:

[(1, 8617240), (2, 4308620), (4, 2154310), (5, 1723448), (8, 1077155), (10, 861724), (20, 430862), (40, 215431), (211, 40840), (422, 20420), (844, 10210), (1021, 8440), (1055, 8168), (1688, 5105), (2042, 4220), (2110, 4084)]