28395320

素因数分解:

$2^3\times 5^1\times {\mathrm{353}}^1\times {\mathrm{2011}}^1$

素因数の和:2375

約数の個数: 32

約数和(自身を含む): 64102320

約数和(自身を除く): 35707000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 353, 706, 1412, 1765, 2011, 2824, 3530, 4022, 7060, 8044, 10055, 14120, 16088, 20110, 40220, 80440, 709883, 1419766, 2839532, 3549415, 5679064, 7098830, 14197660, 28395320]

約数ペア:

[(1, 28395320), (2, 14197660), (4, 7098830), (5, 5679064), (8, 3549415), (10, 2839532), (20, 1419766), (40, 709883), (353, 80440), (706, 40220), (1412, 20110), (1765, 16088), (2011, 14120), (2824, 10055), (3530, 8044), (4022, 7060)]