28604810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{1583}}^1$

素因数の和:1742

約数の個数: 32

約数和(自身を含む): 55883520

約数和(自身を除く): 27278710

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 139, 278, 695, 1390, 1583, 1807, 3166, 3614, 7915, 9035, 15830, 18070, 20579, 41158, 102895, 205790, 220037, 440074, 1100185, 2200370, 2860481, 5720962, 14302405, 28604810]

約数ペア:

[(1, 28604810), (2, 14302405), (5, 5720962), (10, 2860481), (13, 2200370), (26, 1100185), (65, 440074), (130, 220037), (139, 205790), (278, 102895), (695, 41158), (1390, 20579), (1583, 18070), (1807, 15830), (3166, 9035), (3614, 7915)]