28096420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{127711}}^1$

素因数の和:127731

約数の個数: 24

約数和(自身を含む): 64366848

約数和(自身を除く): 36270428

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 127711, 255422, 510844, 638555, 1277110, 1404821, 2554220, 2809642, 5619284, 7024105, 14048210, 28096420]

約数ペア:

[(1, 28096420), (2, 14048210), (4, 7024105), (5, 5619284), (10, 2809642), (11, 2554220), (20, 1404821), (22, 1277110), (44, 638555), (55, 510844), (110, 255422), (220, 127711)]