65805040

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{16787}}^1$

素因数の和:16814

約数の個数: 60

約数和(自身を含む): 177986376

約数和(自身を除く): 112181336

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 140, 196, 245, 280, 392, 490, 560, 784, 980, 1960, 3920, 16787, 33574, 67148, 83935, 117509, 134296, 167870, 235018, 268592, 335740, 470036, 587545, 671480, 822563, 940072, 1175090, 1342960, 1645126, 1880144, 2350180, 3290252, 4112815, 4700360, 6580504, 8225630, 9400720, 13161008, 16451260, 32902520, 65805040]

約数ペア:

[(1, 65805040), (2, 32902520), (4, 16451260), (5, 13161008), (7, 9400720), (8, 8225630), (10, 6580504), (14, 4700360), (16, 4112815), (20, 3290252), (28, 2350180), (35, 1880144), (40, 1645126), (49, 1342960), (56, 1175090), (70, 940072), (80, 822563), (98, 671480), (112, 587545), (140, 470036), (196, 335740), (245, 268592), (280, 235018), (392, 167870), (490, 134296), (560, 117509), (784, 83935), (980, 67148), (1960, 33574), (3920, 16787)]