28540180

素因数分解:

$2^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{1931}}^1$

素因数の和:2679

約数の個数: 24

約数和(自身を含む): 60046560

約数和(自身を除く): 31506380

約数列:

[1, 2, 4, 5, 10, 20, 739, 1478, 1931, 2956, 3695, 3862, 7390, 7724, 9655, 14780, 19310, 38620, 1427009, 2854018, 5708036, 7135045, 14270090, 28540180]

約数ペア:

[(1, 28540180), (2, 14270090), (4, 7135045), (5, 5708036), (10, 2854018), (20, 1427009), (739, 38620), (1478, 19310), (1931, 14780), (2956, 9655), (3695, 7724), (3862, 7390)]