202015640

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{63929}}^1$

素因数の和:64019

約数の個数: 32

約数和(自身を含む): 460296000

約数和(自身を除く): 258280360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 63929, 127858, 255716, 319645, 511432, 639290, 1278580, 2557160, 5050391, 10100782, 20201564, 25251955, 40403128, 50503910, 101007820, 202015640]

約数ペア:

[(1, 202015640), (2, 101007820), (4, 50503910), (5, 40403128), (8, 25251955), (10, 20201564), (20, 10100782), (40, 5050391), (79, 2557160), (158, 1278580), (316, 639290), (395, 511432), (632, 319645), (790, 255716), (1580, 127858), (3160, 63929)]