11771440

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{547}}^1$

素因数の和:829

約数の個数: 40

約数和(自身を含む): 27520560

約数和(自身を除く): 15749120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 547, 1076, 1094, 1345, 2152, 2188, 2690, 2735, 4304, 4376, 5380, 5470, 8752, 10760, 10940, 21520, 21880, 43760, 147143, 294286, 588572, 735715, 1177144, 1471430, 2354288, 2942860, 5885720, 11771440]

約数ペア:

[(1, 11771440), (2, 5885720), (4, 2942860), (5, 2354288), (8, 1471430), (10, 1177144), (16, 735715), (20, 588572), (40, 294286), (80, 147143), (269, 43760), (538, 21880), (547, 21520), (1076, 10940), (1094, 10760), (1345, 8752), (2152, 5470), (2188, 5380), (2690, 4376), (2735, 4304)]