71917420

素因数分解:

$2^2\times 5^1\times {\mathrm{1249}}^1\times {\mathrm{2879}}^1$

素因数の和:4137

約数の個数: 24

約数和(自身を含む): 151200000

約数和(自身を除く): 79282580

約数列:

[1, 2, 4, 5, 10, 20, 1249, 2498, 2879, 4996, 5758, 6245, 11516, 12490, 14395, 24980, 28790, 57580, 3595871, 7191742, 14383484, 17979355, 35958710, 71917420]

約数ペア:

[(1, 71917420), (2, 35958710), (4, 17979355), (5, 14383484), (10, 7191742), (20, 3595871), (1249, 57580), (2498, 28790), (2879, 24980), (4996, 14395), (5758, 12490), (6245, 11516)]