889102780

素因数分解:

$2^2\times 5^1\times {\mathrm{44455139}}^1$

素因数の和:44455148

約数の個数: 12

約数和(自身を含む): 1867115880

約数和(自身を除く): 978013100

約数列:

[1, 2, 4, 5, 10, 20, 44455139, 88910278, 177820556, 222275695, 444551390, 889102780]

約数ペア:

[(1, 889102780), (2, 444551390), (4, 222275695), (5, 177820556), (10, 88910278), (20, 44455139)]