40738160

素因数分解:

$2^4\times 5^1\times {\mathrm{509227}}^1$

素因数の和:509240

約数の個数: 20

約数和(自身を含む): 94716408

約数和(自身を除く): 53978248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 509227, 1018454, 2036908, 2546135, 4073816, 5092270, 8147632, 10184540, 20369080, 40738160]

約数ペア:

[(1, 40738160), (2, 20369080), (4, 10184540), (5, 8147632), (8, 5092270), (10, 4073816), (16, 2546135), (20, 2036908), (40, 1018454), (80, 509227)]