28543060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15683}}^1$

素因数の和:15712

約数の個数: 48

約数和(自身を含む): 73777536

約数和(自身を除く): 45234476

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15683, 31366, 62732, 78415, 109781, 156830, 203879, 219562, 313660, 407758, 439124, 548905, 815516, 1019395, 1097810, 1427153, 2038790, 2195620, 2854306, 4077580, 5708612, 7135765, 14271530, 28543060]

約数ペア:

[(1, 28543060), (2, 14271530), (4, 7135765), (5, 5708612), (7, 4077580), (10, 2854306), (13, 2195620), (14, 2038790), (20, 1427153), (26, 1097810), (28, 1019395), (35, 815516), (52, 548905), (65, 439124), (70, 407758), (91, 313660), (130, 219562), (140, 203879), (182, 156830), (260, 109781), (364, 78415), (455, 62732), (910, 31366), (1820, 15683)]