28275440

素因数分解:

$2^4\times 5^1\times {\mathrm{353443}}^1$

素因数の和:353456

約数の個数: 20

約数和(自身を含む): 65740584

約数和(自身を除く): 37465144

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 353443, 706886, 1413772, 1767215, 2827544, 3534430, 5655088, 7068860, 14137720, 28275440]

約数ペア:

[(1, 28275440), (2, 14137720), (4, 7068860), (5, 5655088), (8, 3534430), (10, 2827544), (16, 1767215), (20, 1413772), (40, 706886), (80, 353443)]