72368740

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{281}}^1$

素因数の和:532

約数の個数: 48

約数和(自身を含む): 155393280

約数和(自身を除く): 83024540

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 163, 281, 316, 326, 395, 562, 652, 790, 815, 1124, 1405, 1580, 1630, 2810, 3260, 5620, 12877, 22199, 25754, 44398, 45803, 51508, 64385, 88796, 91606, 110995, 128770, 183212, 221990, 229015, 257540, 443980, 458030, 916060, 3618437, 7236874, 14473748, 18092185, 36184370, 72368740]

約数ペア:

[(1, 72368740), (2, 36184370), (4, 18092185), (5, 14473748), (10, 7236874), (20, 3618437), (79, 916060), (158, 458030), (163, 443980), (281, 257540), (316, 229015), (326, 221990), (395, 183212), (562, 128770), (652, 110995), (790, 91606), (815, 88796), (1124, 64385), (1405, 51508), (1580, 45803), (1630, 44398), (2810, 25754), (3260, 22199), (5620, 12877)]