164940620

素因数分解:

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

素因数の和:48834

約数の個数: 36

約数和(自身を含む): 375076800

約数和(自身を除く): 210136180

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 48799, 97598, 195196, 243995, 487990, 634387, 975980, 1268774, 2537548, 3171935, 6343870, 8247031, 12687740, 16494062, 32988124, 41235155, 82470310, 164940620]

約数ペア:

[(1, 164940620), (2, 82470310), (4, 41235155), (5, 32988124), (10, 16494062), (13, 12687740), (20, 8247031), (26, 6343870), (52, 3171935), (65, 2537548), (130, 1268774), (169, 975980), (260, 634387), (338, 487990), (676, 243995), (845, 195196), (1690, 97598), (3380, 48799)]