28246840

素因数分解:

$2^3\times 5^1\times {\mathrm{59}}^1\times {\mathrm{11969}}^1$

素因数の和:12039

約数の個数: 32

約数和(自身を含む): 64638000

約数和(自身を除く): 36391160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 59, 118, 236, 295, 472, 590, 1180, 2360, 11969, 23938, 47876, 59845, 95752, 119690, 239380, 478760, 706171, 1412342, 2824684, 3530855, 5649368, 7061710, 14123420, 28246840]

約数ペア:

[(1, 28246840), (2, 14123420), (4, 7061710), (5, 5649368), (8, 3530855), (10, 2824684), (20, 1412342), (40, 706171), (59, 478760), (118, 239380), (236, 119690), (295, 95752), (472, 59845), (590, 47876), (1180, 23938), (2360, 11969)]