38707780

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27259}}^1$

素因数の和:27339

約数の個数: 24

約数和(自身を含む): 82434240

約数和(自身を除く): 43726460

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27259, 54518, 109036, 136295, 272590, 545180, 1935389, 3870778, 7741556, 9676945, 19353890, 38707780]

約数ペア:

[(1, 38707780), (2, 19353890), (4, 9676945), (5, 7741556), (10, 3870778), (20, 1935389), (71, 545180), (142, 272590), (284, 136295), (355, 109036), (710, 54518), (1420, 27259)]