28535540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{129707}}^1$

素因数の和:129727

約数の個数: 24

約数和(自身を含む): 65372832

約数和(自身を除く): 36837292

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 129707, 259414, 518828, 648535, 1297070, 1426777, 2594140, 2853554, 5707108, 7133885, 14267770, 28535540]

約数ペア:

[(1, 28535540), (2, 14267770), (4, 7133885), (5, 5707108), (10, 2853554), (11, 2594140), (20, 1426777), (22, 1297070), (44, 648535), (55, 518828), (110, 259414), (220, 129707)]