163256560

素因数分解:

$2^4\times 5^1\times {\mathrm{347}}^1\times {\mathrm{5881}}^1$

素因数の和:6241

約数の個数: 40

約数和(自身を含む): 380730096

約数和(自身を除く): 217473536

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 347, 694, 1388, 1735, 2776, 3470, 5552, 5881, 6940, 11762, 13880, 23524, 27760, 29405, 47048, 58810, 94096, 117620, 235240, 470480, 2040707, 4081414, 8162828, 10203535, 16325656, 20407070, 32651312, 40814140, 81628280, 163256560]

約数ペア:

[(1, 163256560), (2, 81628280), (4, 40814140), (5, 32651312), (8, 20407070), (10, 16325656), (16, 10203535), (20, 8162828), (40, 4081414), (80, 2040707), (347, 470480), (694, 235240), (1388, 117620), (1735, 94096), (2776, 58810), (3470, 47048), (5552, 29405), (5881, 27760), (6940, 23524), (11762, 13880)]