8990680

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3079}}^1$

素因数の和:3163

約数の個数: 32

約数和(自身を含む): 20512800

約数和(自身を除く): 11522120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 3079, 6158, 12316, 15395, 24632, 30790, 61580, 123160, 224767, 449534, 899068, 1123835, 1798136, 2247670, 4495340, 8990680]

約数ペア:

[(1, 8990680), (2, 4495340), (4, 2247670), (5, 1798136), (8, 1123835), (10, 899068), (20, 449534), (40, 224767), (73, 123160), (146, 61580), (292, 30790), (365, 24632), (584, 15395), (730, 12316), (1460, 6158), (2920, 3079)]