129849620

素因数分解:

$2^2\times 5^1\times {\mathrm{2027}}^1\times {\mathrm{3203}}^1$

素因数の和:5239

約数の個数: 24

約数和(自身を含む): 272903904

約数和(自身を除く): 143054284

約数列:

[1, 2, 4, 5, 10, 20, 2027, 3203, 4054, 6406, 8108, 10135, 12812, 16015, 20270, 32030, 40540, 64060, 6492481, 12984962, 25969924, 32462405, 64924810, 129849620]

約数ペア:

[(1, 129849620), (2, 64924810), (4, 32462405), (5, 25969924), (10, 12984962), (20, 6492481), (2027, 64060), (3203, 40540), (4054, 32030), (6406, 20270), (8108, 16015), (10135, 12812)]