2205640

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{823}}^1$

素因数の和:901

約数の個数: 32

約数和(自身を含む): 5042880

約数和(自身を除く): 2837240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 134, 268, 335, 536, 670, 823, 1340, 1646, 2680, 3292, 4115, 6584, 8230, 16460, 32920, 55141, 110282, 220564, 275705, 441128, 551410, 1102820, 2205640]

約数ペア:

[(1, 2205640), (2, 1102820), (4, 551410), (5, 441128), (8, 275705), (10, 220564), (20, 110282), (40, 55141), (67, 32920), (134, 16460), (268, 8230), (335, 6584), (536, 4115), (670, 3292), (823, 2680), (1340, 1646)]