43140040

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7759}}^1$

素因数の和:7909

約数の個数: 32

約数和(自身を含む): 97776000

約数和(自身を除く): 54635960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7759, 15518, 31036, 38795, 62072, 77590, 155180, 310360, 1078501, 2157002, 4314004, 5392505, 8628008, 10785010, 21570020, 43140040]

約数ペア:

[(1, 43140040), (2, 21570020), (4, 10785010), (5, 8628008), (8, 5392505), (10, 4314004), (20, 2157002), (40, 1078501), (139, 310360), (278, 155180), (556, 77590), (695, 62072), (1112, 38795), (1390, 31036), (2780, 15518), (5560, 7759)]