1461676520

素因数分解:

$2^3\times 5^1\times {\mathrm{647}}^1\times {\mathrm{56479}}^1$

素因数の和:57137

約数の個数: 32

約数和(自身を含む): 3293913600

約数和(自身を除く): 1832237080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 647, 1294, 2588, 3235, 5176, 6470, 12940, 25880, 56479, 112958, 225916, 282395, 451832, 564790, 1129580, 2259160, 36541913, 73083826, 146167652, 182709565, 292335304, 365419130, 730838260, 1461676520]

約数ペア:

[(1, 1461676520), (2, 730838260), (4, 365419130), (5, 292335304), (8, 182709565), (10, 146167652), (20, 73083826), (40, 36541913), (647, 2259160), (1294, 1129580), (2588, 564790), (3235, 451832), (5176, 282395), (6470, 225916), (12940, 112958), (25880, 56479)]