66736280

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{128339}}^1$

素因数の和:128363

約数の個数: 32

約数和(自身を含む): 161708400

約数和(自身を除く): 94972120

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 128339, 256678, 513356, 641695, 1026712, 1283390, 1668407, 2566780, 3336814, 5133560, 6673628, 8342035, 13347256, 16684070, 33368140, 66736280]

約数ペア:

[(1, 66736280), (2, 33368140), (4, 16684070), (5, 13347256), (8, 8342035), (10, 6673628), (13, 5133560), (20, 3336814), (26, 2566780), (40, 1668407), (52, 1283390), (65, 1026712), (104, 641695), (130, 513356), (260, 256678), (520, 128339)]