68638040

素因数分解:

$2^3\times 5^1\times {\mathrm{269}}^1\times {\mathrm{6379}}^1$

素因数の和:6659

約数の個数: 32

約数和(自身を含む): 155034000

約数和(自身を除く): 86395960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 269, 538, 1076, 1345, 2152, 2690, 5380, 6379, 10760, 12758, 25516, 31895, 51032, 63790, 127580, 255160, 1715951, 3431902, 6863804, 8579755, 13727608, 17159510, 34319020, 68638040]

約数ペア:

[(1, 68638040), (2, 34319020), (4, 17159510), (5, 13727608), (8, 8579755), (10, 6863804), (20, 3431902), (40, 1715951), (269, 255160), (538, 127580), (1076, 63790), (1345, 51032), (2152, 31895), (2690, 25516), (5380, 12758), (6379, 10760)]