133099720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{255961}}^1$

素因数の和:255985

約数の個数: 32

約数和(自身を含む): 322512120

約数和(自身を除く): 189412400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 255961, 511922, 1023844, 1279805, 2047688, 2559610, 3327493, 5119220, 6654986, 10238440, 13309972, 16637465, 26619944, 33274930, 66549860, 133099720]

約数ペア:

[(1, 133099720), (2, 66549860), (4, 33274930), (5, 26619944), (8, 16637465), (10, 13309972), (13, 10238440), (20, 6654986), (26, 5119220), (40, 3327493), (52, 2559610), (65, 2047688), (104, 1279805), (130, 1023844), (260, 511922), (520, 255961)]