207899320

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{50461}}^1$

素因数の和:50575

約数の個数: 32

約数和(自身を含む): 472324320

約数和(自身を除く): 264425000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 50461, 100922, 201844, 252305, 403688, 504610, 1009220, 2018440, 5197483, 10394966, 20789932, 25987415, 41579864, 51974830, 103949660, 207899320]

約数ペア:

[(1, 207899320), (2, 103949660), (4, 51974830), (5, 41579864), (8, 25987415), (10, 20789932), (20, 10394966), (40, 5197483), (103, 2018440), (206, 1009220), (412, 504610), (515, 403688), (824, 252305), (1030, 201844), (2060, 100922), (4120, 50461)]