57431240

素因数分解:

$2^3\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1583}}^1$

素因数の和:2501

約数の個数: 32

約数和(自身を含む): 129444480

約数和(自身を除く): 72013240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 907, 1583, 1814, 3166, 3628, 4535, 6332, 7256, 7915, 9070, 12664, 15830, 18140, 31660, 36280, 63320, 1435781, 2871562, 5743124, 7178905, 11486248, 14357810, 28715620, 57431240]

約数ペア:

[(1, 57431240), (2, 28715620), (4, 14357810), (5, 11486248), (8, 7178905), (10, 5743124), (20, 2871562), (40, 1435781), (907, 63320), (1583, 36280), (1814, 31660), (3166, 18140), (3628, 15830), (4535, 12664), (6332, 9070), (7256, 7915)]