85478020

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{677}}^1$

素因数の和:852

約数の個数: 48

約数和(自身を含む): 184524480

約数和(自身を除く): 99046460

約数列:

[1, 2, 4, 5, 10, 20, 59, 107, 118, 214, 236, 295, 428, 535, 590, 677, 1070, 1180, 1354, 2140, 2708, 3385, 6313, 6770, 12626, 13540, 25252, 31565, 39943, 63130, 72439, 79886, 126260, 144878, 159772, 199715, 289756, 362195, 399430, 724390, 798860, 1448780, 4273901, 8547802, 17095604, 21369505, 42739010, 85478020]

約数ペア:

[(1, 85478020), (2, 42739010), (4, 21369505), (5, 17095604), (10, 8547802), (20, 4273901), (59, 1448780), (107, 798860), (118, 724390), (214, 399430), (236, 362195), (295, 289756), (428, 199715), (535, 159772), (590, 144878), (677, 126260), (1070, 79886), (1180, 72439), (1354, 63130), (2140, 39943), (2708, 31565), (3385, 25252), (6313, 13540), (6770, 12626)]