164040080

素因数分解:

$2^4\times 5^1\times {\mathrm{1051}}^1\times {\mathrm{1951}}^1$

素因数の和:3015

約数の個数: 40

約数和(自身を含む): 381951744

約数和(自身を除く): 217911664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1051, 1951, 2102, 3902, 4204, 5255, 7804, 8408, 9755, 10510, 15608, 16816, 19510, 21020, 31216, 39020, 42040, 78040, 84080, 156080, 2050501, 4101002, 8202004, 10252505, 16404008, 20505010, 32808016, 41010020, 82020040, 164040080]

約数ペア:

[(1, 164040080), (2, 82020040), (4, 41010020), (5, 32808016), (8, 20505010), (10, 16404008), (16, 10252505), (20, 8202004), (40, 4101002), (80, 2050501), (1051, 156080), (1951, 84080), (2102, 78040), (3902, 42040), (4204, 39020), (5255, 31216), (7804, 21020), (8408, 19510), (9755, 16816), (10510, 15608)]