15705080

素因数分解:

$2^3\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1973}}^1$

素因数の和:2183

約数の個数: 32

約数和(自身を含む): 35532000

約数和(自身を除く): 19826920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 199, 398, 796, 995, 1592, 1973, 1990, 3946, 3980, 7892, 7960, 9865, 15784, 19730, 39460, 78920, 392627, 785254, 1570508, 1963135, 3141016, 3926270, 7852540, 15705080]

約数ペア:

[(1, 15705080), (2, 7852540), (4, 3926270), (5, 3141016), (8, 1963135), (10, 1570508), (20, 785254), (40, 392627), (199, 78920), (398, 39460), (796, 19730), (995, 15784), (1592, 9865), (1973, 7960), (1990, 7892), (3946, 3980)]