2025560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:731

約数の個数: 32

約数和(自身を含む): 4622400

約数和(自身を除く): 2596840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 641, 790, 1282, 1580, 2564, 3160, 3205, 5128, 6410, 12820, 25640, 50639, 101278, 202556, 253195, 405112, 506390, 1012780, 2025560]

約数ペア:

[(1, 2025560), (2, 1012780), (4, 506390), (5, 405112), (8, 253195), (10, 202556), (20, 101278), (40, 50639), (79, 25640), (158, 12820), (316, 6410), (395, 5128), (632, 3205), (641, 3160), (790, 2564), (1282, 1580)]