7944820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{30557}}^1$

素因数の和:30579

約数の個数: 24

約数和(自身を含む): 17968104

約数和(自身を除く): 10023284

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 30557, 61114, 122228, 152785, 305570, 397241, 611140, 794482, 1588964, 1986205, 3972410, 7944820]

約数ペア:

[(1, 7944820), (2, 3972410), (4, 1986205), (5, 1588964), (10, 794482), (13, 611140), (20, 397241), (26, 305570), (52, 152785), (65, 122228), (130, 61114), (260, 30557)]