53807440

素因数分解:

$2^4\times 5^1\times {\mathrm{672593}}^1$

素因数の和:672606

約数の個数: 20

約数和(自身を含む): 125102484

約数和(自身を除く): 71295044

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 672593, 1345186, 2690372, 3362965, 5380744, 6725930, 10761488, 13451860, 26903720, 53807440]

約数ペア:

[(1, 53807440), (2, 26903720), (4, 13451860), (5, 10761488), (8, 6725930), (10, 5380744), (16, 3362965), (20, 2690372), (40, 1345186), (80, 672593)]