11989640

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23057}}^1$

素因数の和:23081

約数の個数: 32

約数和(自身を含む): 29053080

約数和(自身を除く): 17063440

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 23057, 46114, 92228, 115285, 184456, 230570, 299741, 461140, 599482, 922280, 1198964, 1498705, 2397928, 2997410, 5994820, 11989640]

約数ペア:

[(1, 11989640), (2, 5994820), (4, 2997410), (5, 2397928), (8, 1498705), (10, 1198964), (13, 922280), (20, 599482), (26, 461140), (40, 299741), (52, 230570), (65, 184456), (104, 115285), (130, 92228), (260, 46114), (520, 23057)]