28375960

素因数分解:

$2^3\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1481}}^1$

素因数の和:1971

約数の個数: 32

約数和(自身を含む): 64022400

約数和(自身を除く): 35646440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 479, 958, 1481, 1916, 2395, 2962, 3832, 4790, 5924, 7405, 9580, 11848, 14810, 19160, 29620, 59240, 709399, 1418798, 2837596, 3546995, 5675192, 7093990, 14187980, 28375960]

約数ペア:

[(1, 28375960), (2, 14187980), (4, 7093990), (5, 5675192), (8, 3546995), (10, 2837596), (20, 1418798), (40, 709399), (479, 59240), (958, 29620), (1481, 19160), (1916, 14810), (2395, 11848), (2962, 9580), (3832, 7405), (4790, 5924)]