20210240

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{461}}^1$

素因数の和:615

約数の個数: 56

約数和(自身を含む): 48582072

約数和(自身を除く): 28371832

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 461, 548, 685, 922, 1096, 1370, 1844, 2192, 2305, 2740, 3688, 4384, 4610, 5480, 7376, 8768, 9220, 10960, 14752, 18440, 21920, 29504, 36880, 43840, 63157, 73760, 126314, 147520, 252628, 315785, 505256, 631570, 1010512, 1263140, 2021024, 2526280, 4042048, 5052560, 10105120, 20210240]

約数ペア:

[(1, 20210240), (2, 10105120), (4, 5052560), (5, 4042048), (8, 2526280), (10, 2021024), (16, 1263140), (20, 1010512), (32, 631570), (40, 505256), (64, 315785), (80, 252628), (137, 147520), (160, 126314), (274, 73760), (320, 63157), (461, 43840), (548, 36880), (685, 29504), (922, 21920), (1096, 18440), (1370, 14752), (1844, 10960), (2192, 9220), (2305, 8768), (2740, 7376), (3688, 5480), (4384, 4610)]