42644178380

素因数分解:

$2^2\times 5^1\times {\mathrm{4001}}^1\times {\mathrm{532919}}^1$

素因数の和:536929

約数の個数: 24

約数和(自身を含む): 89575325280

約数和(自身を除く): 46931146900

約数列:

[1, 2, 4, 5, 10, 20, 4001, 8002, 16004, 20005, 40010, 80020, 532919, 1065838, 2131676, 2664595, 5329190, 10658380, 2132208919, 4264417838, 8528835676, 10661044595, 21322089190, 42644178380]

約数ペア:

[(1, 42644178380), (2, 21322089190), (4, 10661044595), (5, 8528835676), (10, 4264417838), (20, 2132208919), (4001, 10658380), (8002, 5329190), (16004, 2664595), (20005, 2131676), (40010, 1065838), (80020, 532919)]