220196860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{65147}}^1$

素因数の和:65182

約数の個数: 36

約数和(自身を含む): 500727528

約数和(自身を除く): 280530668

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 65147, 130294, 260588, 325735, 651470, 846911, 1302940, 1693822, 3387644, 4234555, 8469110, 11009843, 16938220, 22019686, 44039372, 55049215, 110098430, 220196860]

約数ペア:

[(1, 220196860), (2, 110098430), (4, 55049215), (5, 44039372), (10, 22019686), (13, 16938220), (20, 11009843), (26, 8469110), (52, 4234555), (65, 3387644), (130, 1693822), (169, 1302940), (260, 846911), (338, 651470), (676, 325735), (845, 260588), (1690, 130294), (3380, 65147)]