201315560

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:618

約数の個数: 64

約数和(自身を含む): 462084480

約数和(自身を除く): 260768920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 131, 206, 262, 373, 412, 515, 524, 655, 746, 824, 1030, 1048, 1310, 1492, 1865, 2060, 2620, 2984, 3730, 4120, 5240, 7460, 13493, 14920, 26986, 38419, 48863, 53972, 67465, 76838, 97726, 107944, 134930, 153676, 192095, 195452, 244315, 269860, 307352, 384190, 390904, 488630, 539720, 768380, 977260, 1536760, 1954520, 5032889, 10065778, 20131556, 25164445, 40263112, 50328890, 100657780, 201315560]

約数ペア:

[(1, 201315560), (2, 100657780), (4, 50328890), (5, 40263112), (8, 25164445), (10, 20131556), (20, 10065778), (40, 5032889), (103, 1954520), (131, 1536760), (206, 977260), (262, 768380), (373, 539720), (412, 488630), (515, 390904), (524, 384190), (655, 307352), (746, 269860), (824, 244315), (1030, 195452), (1048, 192095), (1310, 153676), (1492, 134930), (1865, 107944), (2060, 97726), (2620, 76838), (2984, 67465), (3730, 53972), (4120, 48863), (5240, 38419), (7460, 26986), (13493, 14920)]