201290840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{48857}}^1$

素因数の和:48971

約数の個数: 32

約数和(自身を含む): 457310880

約数和(自身を除く): 256020040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 48857, 97714, 195428, 244285, 390856, 488570, 977140, 1954280, 5032271, 10064542, 20129084, 25161355, 40258168, 50322710, 100645420, 201290840]

約数ペア:

[(1, 201290840), (2, 100645420), (4, 50322710), (5, 40258168), (8, 25161355), (10, 20129084), (20, 10064542), (40, 5032271), (103, 1954280), (206, 977140), (412, 488570), (515, 390856), (824, 244285), (1030, 195428), (2060, 97714), (4120, 48857)]