161734040

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{311027}}^1$

素因数の和:311051

約数の個数: 32

約数和(自身を含む): 391895280

約数和(自身を除く): 230161240

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 311027, 622054, 1244108, 1555135, 2488216, 3110270, 4043351, 6220540, 8086702, 12441080, 16173404, 20216755, 32346808, 40433510, 80867020, 161734040]

約数ペア:

[(1, 161734040), (2, 80867020), (4, 40433510), (5, 32346808), (8, 20216755), (10, 16173404), (13, 12441080), (20, 8086702), (26, 6220540), (40, 4043351), (52, 3110270), (65, 2488216), (104, 1555135), (130, 1244108), (260, 622054), (520, 311027)]