131222680

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{113123}}^1$

素因数の和:113163

約数の個数: 32

約数和(自身を含む): 305434800

約数和(自身を除く): 174212120

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 113123, 226246, 452492, 565615, 904984, 1131230, 2262460, 3280567, 4524920, 6561134, 13122268, 16402835, 26244536, 32805670, 65611340, 131222680]

約数ペア:

[(1, 131222680), (2, 65611340), (4, 32805670), (5, 26244536), (8, 16402835), (10, 13122268), (20, 6561134), (29, 4524920), (40, 3280567), (58, 2262460), (116, 1131230), (145, 904984), (232, 565615), (290, 452492), (580, 226246), (1160, 113123)]