28577420

素因数分解:

$2^2\times 5^1\times {\mathrm{191}}^1\times {\mathrm{7481}}^1$

素因数の和:7681

約数の個数: 24

約数和(自身を含む): 60334848

約数和(自身を除く): 31757428

約数列:

[1, 2, 4, 5, 10, 20, 191, 382, 764, 955, 1910, 3820, 7481, 14962, 29924, 37405, 74810, 149620, 1428871, 2857742, 5715484, 7144355, 14288710, 28577420]

約数ペア:

[(1, 28577420), (2, 14288710), (4, 7144355), (5, 5715484), (10, 2857742), (20, 1428871), (191, 149620), (382, 74810), (764, 37405), (955, 29924), (1910, 14962), (3820, 7481)]