28084540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127657}}^1$

素因数の和:127677

約数の個数: 24

約数和(自身を含む): 64339632

約数和(自身を除く): 36255092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127657, 255314, 510628, 638285, 1276570, 1404227, 2553140, 2808454, 5616908, 7021135, 14042270, 28084540]

約数ペア:

[(1, 28084540), (2, 14042270), (4, 7021135), (5, 5616908), (10, 2808454), (11, 2553140), (20, 1404227), (22, 1276570), (44, 638285), (55, 510628), (110, 255314), (220, 127657)]