78633440

素因数分解:

$2^5\times 5^1\times {\mathrm{79}}^1\times {\mathrm{6221}}^1$

素因数の和:6315

約数の個数: 48

約数和(自身を含む): 188153280

約数和(自身を除く): 109519840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 79, 80, 158, 160, 316, 395, 632, 790, 1264, 1580, 2528, 3160, 6221, 6320, 12442, 12640, 24884, 31105, 49768, 62210, 99536, 124420, 199072, 248840, 491459, 497680, 982918, 995360, 1965836, 2457295, 3931672, 4914590, 7863344, 9829180, 15726688, 19658360, 39316720, 78633440]

約数ペア:

[(1, 78633440), (2, 39316720), (4, 19658360), (5, 15726688), (8, 9829180), (10, 7863344), (16, 4914590), (20, 3931672), (32, 2457295), (40, 1965836), (79, 995360), (80, 982918), (158, 497680), (160, 491459), (316, 248840), (395, 199072), (632, 124420), (790, 99536), (1264, 62210), (1580, 49768), (2528, 31105), (3160, 24884), (6221, 12640), (6320, 12442)]