144820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1$

素因数の和:579

約数の個数: 24

約数和(自身を含む): 328104

約数和(自身を除く): 183284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 557, 1114, 2228, 2785, 5570, 7241, 11140, 14482, 28964, 36205, 72410, 144820]

約数ペア:

[(1, 144820), (2, 72410), (4, 36205), (5, 28964), (10, 14482), (13, 11140), (20, 7241), (26, 5570), (52, 2785), (65, 2228), (130, 1114), (260, 557)]