55788640

素因数分解:

$2^5\times 5^1\times {\mathrm{431}}^1\times {\mathrm{809}}^1$

素因数の和:1255

約数の個数: 48

約数和(自身を含む): 132269760

約数和(自身を除く): 76481120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 431, 809, 862, 1618, 1724, 2155, 3236, 3448, 4045, 4310, 6472, 6896, 8090, 8620, 12944, 13792, 16180, 17240, 25888, 32360, 34480, 64720, 68960, 129440, 348679, 697358, 1394716, 1743395, 2789432, 3486790, 5578864, 6973580, 11157728, 13947160, 27894320, 55788640]

約数ペア:

[(1, 55788640), (2, 27894320), (4, 13947160), (5, 11157728), (8, 6973580), (10, 5578864), (16, 3486790), (20, 2789432), (32, 1743395), (40, 1394716), (80, 697358), (160, 348679), (431, 129440), (809, 68960), (862, 64720), (1618, 34480), (1724, 32360), (2155, 25888), (3236, 17240), (3448, 16180), (4045, 13792), (4310, 12944), (6472, 8620), (6896, 8090)]