66120700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{16127}}^1$

素因数の和:16182

約数の個数: 36

約数和(自身を含む): 146990592

約数和(自身を除く): 80869892

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 16127, 32254, 64508, 80635, 161270, 322540, 403175, 661207, 806350, 1322414, 1612700, 2644828, 3306035, 6612070, 13224140, 16530175, 33060350, 66120700]

約数ペア:

[(1, 66120700), (2, 33060350), (4, 16530175), (5, 13224140), (10, 6612070), (20, 3306035), (25, 2644828), (41, 1612700), (50, 1322414), (82, 806350), (100, 661207), (164, 403175), (205, 322540), (410, 161270), (820, 80635), (1025, 64508), (2050, 32254), (4100, 16127)]