88142980

素因数分解:

$2^2\times 5^1\times {\mathrm{223}}^1\times {\mathrm{19763}}^1$

素因数の和:19995

約数の個数: 24

約数和(自身を含む): 185939712

約数和(自身を除く): 97796732

約数列:

[1, 2, 4, 5, 10, 20, 223, 446, 892, 1115, 2230, 4460, 19763, 39526, 79052, 98815, 197630, 395260, 4407149, 8814298, 17628596, 22035745, 44071490, 88142980]

約数ペア:

[(1, 88142980), (2, 44071490), (4, 22035745), (5, 17628596), (10, 8814298), (20, 4407149), (223, 395260), (446, 197630), (892, 98815), (1115, 79052), (2230, 39526), (4460, 19763)]