9871760

素因数分解:

$2^4\times 5^1\times {\mathrm{123397}}^1$

素因数の和:123410

約数の個数: 20

約数和(自身を含む): 22952028

約数和(自身を除く): 13080268

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 123397, 246794, 493588, 616985, 987176, 1233970, 1974352, 2467940, 4935880, 9871760]

約数ペア:

[(1, 9871760), (2, 4935880), (4, 2467940), (5, 1974352), (8, 1233970), (10, 987176), (16, 616985), (20, 493588), (40, 246794), (80, 123397)]