8256590

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 32

約数和(自身を含む): 15629760

約数和(自身を除く): 7373170

約数列:

[1, 2, 5, 10, 29, 58, 71, 142, 145, 290, 355, 401, 710, 802, 2005, 2059, 4010, 4118, 10295, 11629, 20590, 23258, 28471, 56942, 58145, 116290, 142355, 284710, 825659, 1651318, 4128295, 8256590]

約数ペア:

[(1, 8256590), (2, 4128295), (5, 1651318), (10, 825659), (29, 284710), (58, 142355), (71, 116290), (142, 58145), (145, 56942), (290, 28471), (355, 23258), (401, 20590), (710, 11629), (802, 10295), (2005, 4118), (2059, 4010)]