996810140

素因数分解:

$2^2\times 5^1\times {\mathrm{49840507}}^1$

素因数の和:49840516

約数の個数: 12

約数和(自身を含む): 2093301336

約数和(自身を除く): 1096491196

約数列:

[1, 2, 4, 5, 10, 20, 49840507, 99681014, 199362028, 249202535, 498405070, 996810140]

約数ペア:

[(1, 996810140), (2, 498405070), (4, 249202535), (5, 199362028), (10, 99681014), (20, 49840507)]