28776460

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{33461}}^1$

素因数の和:33513

約数の個数: 24

約数和(自身を含む): 61837776

約数和(自身を除く): 33061316

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 33461, 66922, 133844, 167305, 334610, 669220, 1438823, 2877646, 5755292, 7194115, 14388230, 28776460]

約数ペア:

[(1, 28776460), (2, 14388230), (4, 7194115), (5, 5755292), (10, 2877646), (20, 1438823), (43, 669220), (86, 334610), (172, 167305), (215, 133844), (430, 66922), (860, 33461)]