201631120

素因数分解:

$2^4\times 5^1\times {\mathrm{137}}^1\times {\mathrm{18397}}^1$

素因数の和:18547

約数の個数: 40

約数和(自身を含む): 472239864

約数和(自身を除く): 270608744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 137, 274, 548, 685, 1096, 1370, 2192, 2740, 5480, 10960, 18397, 36794, 73588, 91985, 147176, 183970, 294352, 367940, 735880, 1471760, 2520389, 5040778, 10081556, 12601945, 20163112, 25203890, 40326224, 50407780, 100815560, 201631120]

約数ペア:

[(1, 201631120), (2, 100815560), (4, 50407780), (5, 40326224), (8, 25203890), (10, 20163112), (16, 12601945), (20, 10081556), (40, 5040778), (80, 2520389), (137, 1471760), (274, 735880), (548, 367940), (685, 294352), (1096, 183970), (1370, 147176), (2192, 91985), (2740, 73588), (5480, 36794), (10960, 18397)]