43549540

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{641}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 94913280

約数和(自身を除く): 51363740

約数列:

[1, 2, 4, 5, 10, 20, 43, 79, 86, 158, 172, 215, 316, 395, 430, 641, 790, 860, 1282, 1580, 2564, 3205, 3397, 6410, 6794, 12820, 13588, 16985, 27563, 33970, 50639, 55126, 67940, 101278, 110252, 137815, 202556, 253195, 275630, 506390, 551260, 1012780, 2177477, 4354954, 8709908, 10887385, 21774770, 43549540]

約数ペア:

[(1, 43549540), (2, 21774770), (4, 10887385), (5, 8709908), (10, 4354954), (20, 2177477), (43, 1012780), (79, 551260), (86, 506390), (158, 275630), (172, 253195), (215, 202556), (316, 137815), (395, 110252), (430, 101278), (641, 67940), (790, 55126), (860, 50639), (1282, 33970), (1580, 27563), (2564, 16985), (3205, 13588), (3397, 12820), (6410, 6794)]