89888420

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{23531}}^1$

素因数の和:23731

約数の個数: 24

約数和(自身を含む): 189762048

約数和(自身を除く): 99873628

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 23531, 47062, 94124, 117655, 235310, 470620, 4494421, 8988842, 17977684, 22472105, 44944210, 89888420]

約数ペア:

[(1, 89888420), (2, 44944210), (4, 22472105), (5, 17977684), (10, 8988842), (20, 4494421), (191, 470620), (382, 235310), (764, 117655), (955, 94124), (1910, 47062), (3820, 23531)]