4885640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{1823}}^1$

素因数の和:1901

約数の個数: 32

約数和(自身を含む): 11162880

約数和(自身を除く): 6277240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 1340, 1823, 2680, 3646, 7292, 9115, 14584, 18230, 36460, 72920, 122141, 244282, 488564, 610705, 977128, 1221410, 2442820, 4885640]

約数ペア:

[(1, 4885640), (2, 2442820), (4, 1221410), (5, 977128), (8, 610705), (10, 488564), (20, 244282), (40, 122141), (67, 72920), (134, 36460), (268, 18230), (335, 14584), (536, 9115), (670, 7292), (1340, 3646), (1823, 2680)]