8539570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{163}}^1$

素因数の和:227

約数の個数: 48

約数和(自身を含む): 17286912

約数和(自身を除く): 8747342

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 163, 169, 310, 326, 338, 403, 806, 815, 845, 1630, 1690, 2015, 2119, 4030, 4238, 5053, 5239, 10106, 10478, 10595, 21190, 25265, 26195, 27547, 50530, 52390, 55094, 65689, 131378, 137735, 275470, 328445, 656890, 853957, 1707914, 4269785, 8539570]

約数ペア:

[(1, 8539570), (2, 4269785), (5, 1707914), (10, 853957), (13, 656890), (26, 328445), (31, 275470), (62, 137735), (65, 131378), (130, 65689), (155, 55094), (163, 52390), (169, 50530), (310, 27547), (326, 26195), (338, 25265), (403, 21190), (806, 10595), (815, 10478), (845, 10106), (1630, 5239), (1690, 5053), (2015, 4238), (2119, 4030)]