38936540

素因数分解:

$2^2\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4517}}^1$

素因数の和:4957

約数の個数: 24

約数和(自身を含む): 81974592

約数和(自身を除く): 43038052

約数列:

[1, 2, 4, 5, 10, 20, 431, 862, 1724, 2155, 4310, 4517, 8620, 9034, 18068, 22585, 45170, 90340, 1946827, 3893654, 7787308, 9734135, 19468270, 38936540]

約数ペア:

[(1, 38936540), (2, 19468270), (4, 9734135), (5, 7787308), (10, 3893654), (20, 1946827), (431, 90340), (862, 45170), (1724, 22585), (2155, 18068), (4310, 9034), (4517, 8620)]