56737720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{109111}}^1$

素因数の和:109135

約数の個数: 32

約数和(自身を含む): 137481120

約数和(自身を除く): 80743400

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 109111, 218222, 436444, 545555, 872888, 1091110, 1418443, 2182220, 2836886, 4364440, 5673772, 7092215, 11347544, 14184430, 28368860, 56737720]

約数ペア:

[(1, 56737720), (2, 28368860), (4, 14184430), (5, 11347544), (8, 7092215), (10, 5673772), (13, 4364440), (20, 2836886), (26, 2182220), (40, 1418443), (52, 1091110), (65, 872888), (104, 545555), (130, 436444), (260, 218222), (520, 109111)]