139279540

素因数分解:

$2^2\times 5^1\times {\mathrm{263}}^1\times {\mathrm{26479}}^1$

素因数の和:26751

約数の個数: 24

約数和(自身を含む): 293610240

約数和(自身を除く): 154330700

約数列:

[1, 2, 4, 5, 10, 20, 263, 526, 1052, 1315, 2630, 5260, 26479, 52958, 105916, 132395, 264790, 529580, 6963977, 13927954, 27855908, 34819885, 69639770, 139279540]

約数ペア:

[(1, 139279540), (2, 69639770), (4, 34819885), (5, 27855908), (10, 13927954), (20, 6963977), (263, 529580), (526, 264790), (1052, 132395), (1315, 105916), (2630, 52958), (5260, 26479)]