131585560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{41641}}^1$

素因数の和:41731

約数の個数: 32

約数和(自身を含む): 299822400

約数和(自身を除く): 168236840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 41641, 83282, 166564, 208205, 333128, 416410, 832820, 1665640, 3289639, 6579278, 13158556, 16448195, 26317112, 32896390, 65792780, 131585560]

約数ペア:

[(1, 131585560), (2, 65792780), (4, 32896390), (5, 26317112), (8, 16448195), (10, 13158556), (20, 6579278), (40, 3289639), (79, 1665640), (158, 832820), (316, 416410), (395, 333128), (632, 208205), (790, 166564), (1580, 83282), (3160, 41641)]