99189640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{225431}}^1$

素因数の和:225453

約数の個数: 32

約数和(自身を含む): 243466560

約数和(自身を除く): 144276920

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 225431, 450862, 901724, 1127155, 1803448, 2254310, 2479741, 4508620, 4959482, 9017240, 9918964, 12398705, 19837928, 24797410, 49594820, 99189640]

約数ペア:

[(1, 99189640), (2, 49594820), (4, 24797410), (5, 19837928), (8, 12398705), (10, 9918964), (11, 9017240), (20, 4959482), (22, 4508620), (40, 2479741), (44, 2254310), (55, 1803448), (88, 1127155), (110, 901724), (220, 450862), (440, 225431)]