40388540

素因数分解:

$2^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{15901}}^1$

素因数の和:16037

約数の個数: 24

約数和(自身を含む): 85489152

約数和(自身を除く): 45100612

約数列:

[1, 2, 4, 5, 10, 20, 127, 254, 508, 635, 1270, 2540, 15901, 31802, 63604, 79505, 159010, 318020, 2019427, 4038854, 8077708, 10097135, 20194270, 40388540]

約数ペア:

[(1, 40388540), (2, 20194270), (4, 10097135), (5, 8077708), (10, 4038854), (20, 2019427), (127, 318020), (254, 159010), (508, 79505), (635, 63604), (1270, 31802), (2540, 15901)]