128121620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{582371}}^1$

素因数の和:582391

約数の個数: 24

約数和(自身を含む): 293515488

約数和(自身を除く): 165393868

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 582371, 1164742, 2329484, 2911855, 5823710, 6406081, 11647420, 12812162, 25624324, 32030405, 64060810, 128121620]

約数ペア:

[(1, 128121620), (2, 64060810), (4, 32030405), (5, 25624324), (10, 12812162), (11, 11647420), (20, 6406081), (22, 5823710), (44, 2911855), (55, 2329484), (110, 1164742), (220, 582371)]