38764580

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27299}}^1$

素因数の和:27379

約数の個数: 24

約数和(自身を含む): 82555200

約数和(自身を除く): 43790620

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 27299, 54598, 109196, 136495, 272990, 545980, 1938229, 3876458, 7752916, 9691145, 19382290, 38764580]

約数ペア:

[(1, 38764580), (2, 19382290), (4, 9691145), (5, 7752916), (10, 3876458), (20, 1938229), (71, 545980), (142, 272990), (284, 136495), (355, 109196), (710, 54598), (1420, 27299)]