165724780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{49031}}^1$

素因数の和:49066

約数の個数: 36

約数和(自身を含む): 376859952

約数和(自身を除く): 211135172

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 49031, 98062, 196124, 245155, 490310, 637403, 980620, 1274806, 2549612, 3187015, 6374030, 8286239, 12748060, 16572478, 33144956, 41431195, 82862390, 165724780]

約数ペア:

[(1, 165724780), (2, 82862390), (4, 41431195), (5, 33144956), (10, 16572478), (13, 12748060), (20, 8286239), (26, 6374030), (52, 3187015), (65, 2549612), (130, 1274806), (169, 980620), (260, 637403), (338, 490310), (676, 245155), (845, 196124), (1690, 98062), (3380, 49031)]