12687740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48799}}^1$

素因数の和:48821

約数の個数: 24

約数和(自身を含む): 28694400

約数和(自身を除く): 16006660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 48799, 97598, 195196, 243995, 487990, 634387, 975980, 1268774, 2537548, 3171935, 6343870, 12687740]

約数ペア:

[(1, 12687740), (2, 6343870), (4, 3171935), (5, 2537548), (10, 1268774), (13, 975980), (20, 634387), (26, 487990), (52, 243995), (65, 195196), (130, 97598), (260, 48799)]