42687940

素因数分解:

$2^2\times 5^1\times {\mathrm{347}}^1\times {\mathrm{6151}}^1$

素因数の和:6507

約数の個数: 24

約数和(自身を含む): 89917632

約数和(自身を除く): 47229692

約数列:

[1, 2, 4, 5, 10, 20, 347, 694, 1388, 1735, 3470, 6151, 6940, 12302, 24604, 30755, 61510, 123020, 2134397, 4268794, 8537588, 10671985, 21343970, 42687940]

約数ペア:

[(1, 42687940), (2, 21343970), (4, 10671985), (5, 8537588), (10, 4268794), (20, 2134397), (347, 123020), (694, 61510), (1388, 30755), (1735, 24604), (3470, 12302), (6151, 6940)]