6991796780

素因数分解:

$2^2\times 5^1\times {\mathrm{9001}}^1\times {\mathrm{38839}}^1$

素因数の和:47849

約数の個数: 24

約数和(自身を含む): 14684782560

約数和(自身を除く): 7692985780

約数列:

[1, 2, 4, 5, 10, 20, 9001, 18002, 36004, 38839, 45005, 77678, 90010, 155356, 180020, 194195, 388390, 776780, 349589839, 699179678, 1398359356, 1747949195, 3495898390, 6991796780]

約数ペア:

[(1, 6991796780), (2, 3495898390), (4, 1747949195), (5, 1398359356), (10, 699179678), (20, 349589839), (9001, 776780), (18002, 388390), (36004, 194195), (38839, 180020), (45005, 155356), (77678, 90010)]