28500940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109619}}^1$

素因数の和:109641

約数の個数: 24

約数和(自身を含む): 64456560

約数和(自身を除く): 35955620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 109619, 219238, 438476, 548095, 1096190, 1425047, 2192380, 2850094, 5700188, 7125235, 14250470, 28500940]

約数ペア:

[(1, 28500940), (2, 14250470), (4, 7125235), (5, 5700188), (10, 2850094), (13, 2192380), (20, 1425047), (26, 1096190), (52, 548095), (65, 438476), (130, 219238), (260, 109619)]