260644040

素因数分解:

$2^3\times 5^1\times {\mathrm{727}}^1\times {\mathrm{8963}}^1$

素因数の和:9701

約数の個数: 32

約数和(自身を含む): 587321280

約数和(自身を除く): 326677240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 727, 1454, 2908, 3635, 5816, 7270, 8963, 14540, 17926, 29080, 35852, 44815, 71704, 89630, 179260, 358520, 6516101, 13032202, 26064404, 32580505, 52128808, 65161010, 130322020, 260644040]

約数ペア:

[(1, 260644040), (2, 130322020), (4, 65161010), (5, 52128808), (8, 32580505), (10, 26064404), (20, 13032202), (40, 6516101), (727, 358520), (1454, 179260), (2908, 89630), (3635, 71704), (5816, 44815), (7270, 35852), (8963, 29080), (14540, 17926)]