38648740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{281}}^1$

素因数の和:349

約数の個数: 72

約数和(自身を含む): 91696248

約数和(自身を除く): 53047508

約数列:

[1, 2, 4, 5, 10, 13, 20, 23, 26, 46, 52, 65, 92, 115, 130, 230, 260, 281, 299, 460, 529, 562, 598, 1058, 1124, 1196, 1405, 1495, 2116, 2645, 2810, 2990, 3653, 5290, 5620, 5980, 6463, 6877, 7306, 10580, 12926, 13754, 14612, 18265, 25852, 27508, 32315, 34385, 36530, 64630, 68770, 73060, 84019, 129260, 137540, 148649, 168038, 297298, 336076, 420095, 594596, 743245, 840190, 1486490, 1680380, 1932437, 2972980, 3864874, 7729748, 9662185, 19324370, 38648740]

約数ペア:

[(1, 38648740), (2, 19324370), (4, 9662185), (5, 7729748), (10, 3864874), (13, 2972980), (20, 1932437), (23, 1680380), (26, 1486490), (46, 840190), (52, 743245), (65, 594596), (92, 420095), (115, 336076), (130, 297298), (230, 168038), (260, 148649), (281, 137540), (299, 129260), (460, 84019), (529, 73060), (562, 68770), (598, 64630), (1058, 36530), (1124, 34385), (1196, 32315), (1405, 27508), (1495, 25852), (2116, 18265), (2645, 14612), (2810, 13754), (2990, 12926), (3653, 10580), (5290, 7306), (5620, 6877), (5980, 6463)]