64554280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{230551}}^1$

素因数の和:230569

約数の個数: 32

約数和(自身を含む): 165997440

約数和(自身を除く): 101443160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 230551, 461102, 922204, 1152755, 1613857, 1844408, 2305510, 3227714, 4611020, 6455428, 8069285, 9222040, 12910856, 16138570, 32277140, 64554280]

約数ペア:

[(1, 64554280), (2, 32277140), (4, 16138570), (5, 12910856), (7, 9222040), (8, 8069285), (10, 6455428), (14, 4611020), (20, 3227714), (28, 2305510), (35, 1844408), (40, 1613857), (56, 1152755), (70, 922204), (140, 461102), (280, 230551)]