4879240

素因数分解:

$2^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{547}}^1$

素因数の和:781

約数の個数: 32

約数和(自身を含む): 11047680

約数和(自身を除く): 6168440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 223, 446, 547, 892, 1094, 1115, 1784, 2188, 2230, 2735, 4376, 4460, 5470, 8920, 10940, 21880, 121981, 243962, 487924, 609905, 975848, 1219810, 2439620, 4879240]

約数ペア:

[(1, 4879240), (2, 2439620), (4, 1219810), (5, 975848), (8, 609905), (10, 487924), (20, 243962), (40, 121981), (223, 21880), (446, 10940), (547, 8920), (892, 5470), (1094, 4460), (1115, 4376), (1784, 2735), (2188, 2230)]