68444360

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6361}}^1$

素因数の和:6641

約数の個数: 32

約数和(自身を含む): 154596600

約数和(自身を除く): 86152240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6361, 10760, 12722, 25444, 31805, 50888, 63610, 127220, 254440, 1711109, 3422218, 6844436, 8555545, 13688872, 17111090, 34222180, 68444360]

約数ペア:

[(1, 68444360), (2, 34222180), (4, 17111090), (5, 13688872), (8, 8555545), (10, 6844436), (20, 3422218), (40, 1711109), (269, 254440), (538, 127220), (1076, 63610), (1345, 50888), (2152, 31805), (2690, 25444), (5380, 12722), (6361, 10760)]