28119880

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{2917}}^1$

素因数の和:3169

約数の個数: 32

約数和(自身を含む): 63554040

約数和(自身を除く): 35434160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1928, 2410, 2917, 4820, 5834, 9640, 11668, 14585, 23336, 29170, 58340, 116680, 702997, 1405994, 2811988, 3514985, 5623976, 7029970, 14059940, 28119880]

約数ペア:

[(1, 28119880), (2, 14059940), (4, 7029970), (5, 5623976), (8, 3514985), (10, 2811988), (20, 1405994), (40, 702997), (241, 116680), (482, 58340), (964, 29170), (1205, 23336), (1928, 14585), (2410, 11668), (2917, 9640), (4820, 5834)]