38464940

素因数分解:

$2^2\times 5^1\times {\mathrm{491}}^1\times {\mathrm{3917}}^1$

素因数の和:4417

約数の個数: 24

約数和(自身を含む): 80961552

約数和(自身を除く): 42496612

約数列:

[1, 2, 4, 5, 10, 20, 491, 982, 1964, 2455, 3917, 4910, 7834, 9820, 15668, 19585, 39170, 78340, 1923247, 3846494, 7692988, 9616235, 19232470, 38464940]

約数ペア:

[(1, 38464940), (2, 19232470), (4, 9616235), (5, 7692988), (10, 3846494), (20, 1923247), (491, 78340), (982, 39170), (1964, 19585), (2455, 15668), (3917, 9820), (4910, 7834)]