28438840

素因数分解:

$2^3\times 5^1\times {\mathrm{710971}}^1$

素因数の和:710982

約数の個数: 16

約数和(自身を含む): 63987480

約数和(自身を除く): 35548640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 710971, 1421942, 2843884, 3554855, 5687768, 7109710, 14219420, 28438840]

約数ペア:

[(1, 28438840), (2, 14219420), (4, 7109710), (5, 5687768), (8, 3554855), (10, 2843884), (20, 1421942), (40, 710971)]